Fix LEGO Bricks play button icon toggle during playback

[bharat-DeV07]

• Bug fix

Description

Fixed the LEGO Bricks play button icon toggle issue.

Change Made

• Updated play button icon during playbacks
• Reverted icon back after playback ends

Fixes #7455

[github-actions]

🧪 Jest Test Results

❌ Some Jest tests failed. Please check the logs and fix the issues before merging.

Coverage: Statements: 48.22% | Branches: 39.77% | Functions: 52.94% | Lines: 48.62%
Master Coverage: Statements: 48.23% | Branches: 39.77% | Functions: 52.95% | Lines: 48.62%

Note: These failures may be introduced by this PR or may already exist in the master branch.
Tip: Update your branch with the latest master and rerun tests.
If the same failures are present on master, they are likely not introduced by this PR.

Failed Tests:

aidebugger.test.js

[bharat-DeV07]

Implemented the requested fix and tested locally.
Please let me know if any further improvements are needed.

[lavjeetrai]

Great initiative to improve the UX! Adding the visual feedback is a really nice touch.

However, it would be much better if the pause button actually worked to pause or stop the audio.