Add protection for raw sign

[JamesSmartCell]

Add protection for raw signing and sign override.

[github-actions]

Pull reviewers stats

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

	User	Total reviews	Time to review	Total comments

[codecov]

Codecov Report

Patch has no changes to coverable lines.

❗ Current head b063bed differs from pull request most recent head 21d287d. Consider uploading reports for the commit 21d287d to get more accurate results

Files Changed	Coverage
...let/app/repository/SharedPreferenceRepository.java	0.00%
...m/alphawallet/app/ui/AdvancedSettingsActivity.java	0.00%
.../src/main/java/com/alphawallet/app/util/Utils.java	0.00%
...allet/app/viewmodel/AdvancedSettingsViewModel.java	0.00%
...tconnect/WalletConnectV2SessionRequestHandler.java	0.00%
.../alphawallet/app/widget/ActionSheetSignDialog.java	0.00%
...ava/com/alphawallet/app/widget/SignDataWidget.java	0.00%

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