fix: Ensure consistent checkbox behavior in Language filter (#1519)

[Arun-cn]

First thing, PLEASE READ THIS: ReactPlay Code Review Checklist

Description

• Fixes issue where selecting a language did not check the corresponding checkbox.
• Prevents duplicate selections of the same language.
• Ensures deselecting a language updates the checkbox and options properly.

Fixes #1519

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Tested through visual inspection.

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules

Screenshots or example output

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