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## PR-Codex overview
The focus of this PR is to update the gas settings override mechanism for write transactions in the contract page.
### Detailed summary
- Updated gas settings override mechanism for transactions
- Removed individual `gasLimit` and `gasPrice` fields
- Added `gas`, `maxFeePerGas`, and `maxPriorityFeePerGas` fields
- Fields are now optional and will be estimated if omitted
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