fix: correct spelling errors in test files

[HusseinAdeiza]

Description

Fixed spelling errors in test files and error messages for improved code readability.

Changes

• Corrected reciever → receiver (15+ occurrences in evm_balances.rs)
• Corrected doesnt → doesn't in runtime.rs panic message
• Corrected status_reciever → status_receiver in blob_sender.rs

Files Modified

• crates/full-node/sov-ethereum/tests/integration/evm/evm_balances.rs
• examples/demo-rollup/stf/src/runtime.rs
• crates/full-node/sov-blob-sender/tests/blob_sender.rs

Testing

• Verified all changes are variable/constant name corrections
• No functional changes to test logic

[github-actions]

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[HusseinAdeiza]

recheck