Fix most of the crashes

[seabornlee]

• Fix NPE
• Fix IndexOutOfBoundsException
• Fix NPE
• Fix NPE
• Fix NPE
• Fix NPE
• Fix NPE
• Fix NPE

[github-actions]

Pull reviewers stats

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

	User	Total reviews	Time to review	Total comments
	seabornlee 🥇	15 ▀▀▀▀	3h 35m ▀	10 ▀▀▀▀▀▀
	JamesSmartCell 🥈	12 ▀▀▀	1d 41m ▀▀▀▀▀	7 ▀▀▀▀
	justindg 🥉	9 ▀▀▀	22h 42m ▀▀▀▀	1 ▀

[codecov]

Codecov Report

Base: 7.61% // Head: 7.61% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (0df8e47) compared to base (2d815f4).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##             master   #2956      +/-   ##
===========================================
- Coverage      7.61%   7.61%   -0.01%     
  Complexity      836     836              
===========================================
  Files           612     612              
  Lines         41823   41836      +13     
  Branches       4223    4228       +5     
===========================================
  Hits           3185    3185              
- Misses        38364   38377      +13     
  Partials        274     274              

Impacted Files	Coverage Δ
...entity/walletconnect/WalletConnectSessionItem.java	0.00% <0.00%> (ø)
...va/com/alphawallet/app/ui/DappBrowserFragment.java	0.22% <0.00%> (ø)
...phawallet/app/ui/QRScanning/QRScannerActivity.java	0.00% <0.00%> (ø)
...main/java/com/alphawallet/app/ui/SwapActivity.java	0.00% <0.00%> (ø)
.../com/alphawallet/app/ui/WalletActionsActivity.java	0.00% <0.00%> (ø)
...phawallet/app/ui/WalletConnectSessionActivity.java	0.00% <0.00%> (ø)
.../ui/widget/adapter/SingleSelectNetworkAdapter.java	0.00% <0.00%> (ø)
...ain/java/com/alphawallet/app/widget/GasWidget.java	0.00% <0.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.