Generic fixes (#1173)

* - Catch get balance network issues
- Disable remove button when adding node

* Update packages and android gradle version
minor enhancements

* Backup issue fix

* update workflow java version

* Remove useless permission check for saving file

* minor enhancements

* only delete secure storage key before overriding it on MacOS

* Minor UI changes

* Remove debug prints [skip ci]

* Revert FR localization changes

.github/workflows/cache_dependencies.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: '8.x'
+          java-version: '11.x'
 
       - name: Flutter action
         uses: subosito/flutter-action@v1

.github/workflows/pr_test_build.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: "8.x"
+          java-version: "11.x"
 
       - name: Flutter action
         uses: subosito/flutter-action@v1