Refactor "Settings" panel of Navigation Item block to use ToolsPanel instead of PanelBody

[rinkalpagdar]

Part of #67813
Fixes #67947

Testing Instructions

• Add navigation block
• Click on the item link
• Open the settings panel

Screenshots or screencast

Before	After

[github-actions]

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[fabiankaegy]

@rinkalpagdar Looks like the Linting GitHub Action Check is failing. Would you mind addressing that? :)

[Mamaduka]

I see package-lock.json and linting changes unrelated to this refactoring.

See contribution guidelines for developer tool setup - https://developer.wordpress.org/block-editor/contributors/code/getting-started-with-code-contribution/#developer-tools.

[fabiankaegy]

Besides the linting there are some additional notes here:

In this initial refactor we need to make sure that all settings that were present before this update are still always visible after the update. So every ToolsPanelItem needs to have isShownByDefault set on it

CleanShot.2024-12-13.at.15.48.48.mp4

[fabiankaegy]

I don't think there are actually any changes in this file needed?