fix: update selected rpc info if rpc setting is changed & fix bottom padding of transaction body

[josephlabeleven]

• update selected rpc info when its rpc setting is changed
• fix bottom padding such that the logs will not be hidden by the footer when screen height is small

[github-actions[bot]]

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[github-actions[bot]]

:tada: This PR is included in version 1.0.0-alpha.44 :tada:

The release is available on GitHub release

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