UI updates (#2368)

* Add Black theme

* Fix black theme

* Add WixMadefor Font

* feat: Enhance theme setup

This change:
- Adds support for custom themes
- Updates theme retrieval logic to ensure the right theme is used based on user preferences(especially for custom themes).

* Add black custom colors

* Add custom accent colors

* feat: Restructure custom colors handling for themes

* feat: Integrate new custom colors structure across various components - WIP

* feat: Integrate new custom colors structure across various components, black theme now ready for tests

* feat: Add new accent color themes and update theme selection UI

- Enhanced theme selection UI in display settings to support accent color choices.
- Updated theme handling logic to accommodate new accent color variants.

* Minor updates to display_settings_page.dart

* Update settings_theme_choice.dart

* Revert accidental change in display_settings_page.dart

* Revert WixMadeFor font, fix SVG colors for CakeImageWidget, and test some color changes

* Update Monero Orange

* fix: Remove unused custom colors

* Test outline

* Test spacing and colors

* Add padding

* Remove outline

* Add other accent colors

* Update display_settings_view_model.dart

* Update names and fix switch case

* Add outline and update dark_theme.dart colors

* Add gradient to option_tile.dart

* Update icons

* Update some colors

* Switch option_tile.dart to TextButton

* Add updated icons

* Fix icon resolution

* Cleanup old icons + Update pubspec_base.yaml

* Remove unused fonts

* Update more icons

* Update image paths

* Remove more icons + update some component colors

* Add back DAI icon

* Fix errors

* feat: Implement OLED mode for BlackTheme

* feat: Add OLED mode for BlackTheme and localizations

* feat: Implement OLED mode for Black Theme

* refactor: Remove unused theme parameters and set up easy access to toggleKnob custom colors

* fix: Cleanup UI and overflows

* feat: Persist black theme selection if OS theme mode while app is in system mode

* fix: OS theme change when app is in background restrict pin screen from proceed

* Fix theme picker sizing

* Update lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

* refactor: Enhance theme access by introducing ThemeX extension for easier retrieval of current theme and custom colors

* refactor: Remove currentTheme parameter from GradientBackground widget and adjust across affected widgets

* refactor: Remove currentTheme parameter from StandardSwitch and SettingsSwitcherCell, using ThemeX extension for theme access

* refactor: Remove currentTheme parameter from various widgets dependent on SettingsSwitcherCell and StandardxSwitcher, using ThemeX extension for theme access

* refactor: Remove currentTheme in bottomsheets and related widgets, switching to theme extension

* refactor: Remove constructor theme access in OptionTile and related widgets, switching to theme extension

* refactor: Switch bottomsheet related widgets to use theme extension instead of constructor access

* refactor: Migrate currentTheme access from constructor based to extension base

* refactor: Switch theme access from constructor base to extension base [skip ci]

* refactor: Migrate more widgets to use extension based theme access and clean up code

* refactor: Update theme access across multiple widgets to use the new theme extension

* refactor: Clean up theme access in various widgets, moving to extension-based theme usage

* refactor: Make theme picker preview responsive

* fix: Persist saved black theme accent when app is put in background and brought back

* remove unused variables [skip ci]

---------

Co-authored-by: Blazebrain <davidadegoke16@gmail.com>
Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

lib/src/widgets/primary_button.dart

@@ -46,16 +46,15 @@ class PrimaryButton extends StatelessWidget {
                 borderRadius: borderRadius ?? BorderRadius.circular(12.0),
               ),
             ),
-            overlayColor: WidgetStateProperty.all(Colors.transparent),
           ),
           child: Text(
             text,
             textAlign: TextAlign.center,
             style: Theme.of(context).textTheme.bodyMedium!.copyWith(
-              fontSize: 15.0,
-              fontWeight: FontWeight.w600,
-              color: isDisabled ? textColor.withOpacity(0.5) : textColor,
-            ),
+                  fontSize: 15.0,
+                  fontWeight: FontWeight.w600,
+                  color: isDisabled ? textColor.withOpacity(0.5) : textColor,
+                ),
           ),
         ),
       ),
@@ -117,10 +116,10 @@ class LoadingPrimaryButton extends StatelessWidget {
               : Text(
                   text,
                   style: Theme.of(context).textTheme.bodyMedium!.copyWith(
-                    fontSize: 15.0,
-                    fontWeight: FontWeight.w600,
-                    color: isDisabled ? textColor.withOpacity(0.5) : textColor,
-                  ),
+                        fontSize: 15.0,
+                        fontWeight: FontWeight.w600,
+                        color: isDisabled ? textColor.withOpacity(0.5) : textColor,
+                      ),
                 ),
         ),
       ),
@@ -228,7 +227,7 @@ class PrimaryImageButton extends StatelessWidget {
       child: SizedBox(
         width: double.infinity,
         height: 52.0,
-        child: ElevatedButton(
+        child: TextButton(
           onPressed: onPressed,
           style: ButtonStyle(
               backgroundColor: WidgetStateProperty.all(color),