Fix error renaming files using web IDE

What does this MR do?

Issue #24525 (closed)

Fix error renaming files using web IDE

When renaming files in the Web IDE in the rename modal, pressing backspace all the way brought back the original filename back, thus making the backspace redundant.

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Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
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• Style guides
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Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

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