fix: Block focus removed even on clicking the inspector control to add Url

[singhakanshu00]

What?

Address #65962

Why?

• After we insert Custom List block (core/navigation-link) if we clicking anything after that, block previous to it gets focused and the Custom List block is removed from the editor.

How?

Testing Instructions

1. Open site editor.
2. Click the navigation block in the header.
3. Try adding a Custom Link block.
4. Clicks anything other the side editor panel (Inspector Controls) the block will get removed.
5. Try again inserting the block and click on the input fields to add Text and Url, the above behaviour will not occur.

Screenshots or screencast

Before:

ttt.mov

After:

Screen.Recording.2025-01-13.at.2.22.27.PM.1.mov

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Warning: Type of PR label mismatch

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• Type-related labels to choose from: [Type] Automated Testing, [Type] Breaking Change, [Type] Bug, [Type] Build Tooling, [Type] Code Quality, [Type] Copy, [Type] Developer Documentation, [Type] Enhancement, [Type] Experimental, [Type] Feature, [Type] New API, [Type] Task, [Type] Technical Prototype, [Type] Performance, [Type] Project Management, [Type] Regression, [Type] Security, [Type] WP Core Ticket, Backport from WordPress Core, Gutenberg Plugin.
• Labels found: First-time Contributor.

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