Polygon-Wallet-fixes (#1222)

* fix: Fix issues surrounding polygon release

* Add polygon generation command to pubspec script

* Remove unnecesary cast

* fix: Remove unneeded code

* fix: Adjust workflow file to pick polygonScan apikey

* fix: Issues noticed while testing

* fix: Issues noticed while testing

* fix: Transaction should reflect the token name

* fix: Remove unused import

* feat: Add alchemy node to default migration settings

* Fix sending Polygon delay
Remove alchemy node
Minor Enhancements

* Remove scrolling from multiple choices settings row and make them fill the whole space [skip ci]

* Add USDT poly
Add icon for USDC.e

* Fix ERC20 tokens overriding old wallets
Add USDC.e to exchange

* - Remove unnecessary code
- Minor Enhancements

---------

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

assets/polygon_node_list.yml

@@ -1,6 +1,6 @@
+-
+  uri: polygon-rpc.com
 -
   uri: polygon-bor.publicnode.com
 -
-  uri: polygon-rpc.com
-- 
   uri: polygon.llamarpc.com