Fix for some WalletConnect handling issues

[JamesSmartCell]

• Fix for walletconnect session handling
• Fix for Custom Gas Transaction handling

[github-actions]

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Stats of the last 30 days for alpha-wallet-android:

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[codecov]

Codecov Report

Patch has no changes to coverable lines.

❗ Current head b6bb3f9 differs from pull request most recent head a9a24be. Consider uploading reports for the commit a9a24be to get more accurate results

Files Changed	Coverage
...ava/com/alphawallet/app/entity/GasPriceSpread.java	0.00%
.../java/com/alphawallet/app/entity/HomeReceiver.java	0.00%
...lphawallet/app/service/AssetDefinitionService.java	0.00%
...m/alphawallet/app/service/NotificationService.java	0.00%
...m/alphawallet/app/ui/AdvancedSettingsActivity.java	ø
...main/java/com/alphawallet/app/ui/HomeActivity.java	0.00%
...in/java/com/alphawallet/app/util/BalanceUtils.java	0.00%
...allet/app/viewmodel/AdvancedSettingsViewModel.java	ø
...a/com/alphawallet/app/viewmodel/HomeViewModel.java	0.00%
...tconnect/WalletConnectV2SessionRequestHandler.java	0.00%
... and 1 more

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