[BUG]:shasta tron test netwrok custom RPC doesn't work

[FlipChainGames]

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Describe the bug shasta tron network is not supported

To Reproduce Steps to reproduce the behavior:

1. Go to 'Settings->Custom RPC'
2. Click on '+ to add a new RPC'
3. Scroll down to 'Tron' and add https://api.shasta.trongrid.io
4. no error just this tron network doesn't work at all

Expected behavior shasta is the main Tron test network https://api.shasta.trongrid.io custom RPC doesn't supported at all no balance or transaction history shown and not possibe to use it