feat: sdk ui enter-leave pointer events

[pravusjif]

Added support for UI onMouseEnter and onMouseEnter events.

Issue: decentraland/creator-hub#174

Related PR:

• feat: add enter/leave helpers and UI map js-sdk-toolchain#1040

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QA TEST STEPS

1. Download the build from this PR and open it
2. Go to 65,-125 scene
3. Confirm that every time you put the mouse over the "hover area", its background color changes
4. Confirm that the same happens when you move the mouse outside that same area

Screen.Recording.2024-12-13.at.7.06.23.PM.mp4

[github-actions]

Windows and Mac build successfull in Unity Cloud! You can find a link to the downloadable artifact below.

Name	Link
Commit	643c4bc
Logs	https://github.com/decentraland/unity-explorer/actions/runs/12320853004
Download Windows	https://github.com/decentraland/unity-explorer/suites/32044717397/artifacts/2318900608
Download Windows S3	https://explorer-artifacts.decentraland.org/@dcl/unity-explorer/branch/feat/sdk-ui-enter-leave-pointer-events/Decentraland_windows64.zip
Download Mac	https://github.com/decentraland/unity-explorer/suites/32044717397/artifacts/2318950264
Download Mac S3	https://explorer-artifacts.decentraland.org/@dcl/unity-explorer/branch/feat/sdk-ui-enter-leave-pointer-events/Decentraland_macos.zip
Built on	2024-12-13T19:03:16Z

[Ludmilafantaniella]

Approved:
Tested on Mac and Windows. The background color changes correctly when hovering over the area and reverts when moving the mouse out. Everything works as expected. ✅

2907.mp4

Smoke test performed:

• Quest completition
• Social Interaction (chat, emote sync)
• World: Metadynelabs, Juliasgift, Pravus
• Scene visited: Casa Roustan, Game Expo, DCLMF24, Doll House
• Backpack functionality