feat: make cat blocks available to everyone

[KManolov3]

Resolves

https://scratchfoundation.atlassian.net/browse/UEPR-606

Proposed Changes

Make cat-blocks available to all users

Reason for Changes

Membership program is being sunset on June 15th.

[Copilot]

Pull request overview

This PR removes the membership gating on the “Cat Blocks” block theme so it can be selected by all users, aligning with the membership program sunset.

Changes:

• Make the cat-blocks theme unconditionally available by updating its isAvailable check.

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[github-actions]

Test Results

  3 files   -     5   69 suites   - 1 045   10m 49s ⏱️ - 1m 35s
403 tests  - 2 442  395 ✅  - 2 442  8 💤 ± 0  0 ❌ ±0 
425 runs   - 6 046  417 ✅  - 6 015  8 💤  - 31  0 ❌ ±0 

Results for commit 783497a. ± Comparison against base commit 8217cc8.

This pull request removes 2442 tests.

buildLibraries Should NOT fill global assets from sprites if fillAssetsFromSprites is false ‑ buildLibraries Should NOT fill global assets from sprites if fillAssetsFromSprites is false
buildLibraries Should NOT inherit costume tags from sprites if costume already has tags ‑ buildLibraries Should NOT inherit costume tags from sprites if costume already has tags
buildLibraries Should NOT inherit sound tags from sprites ‑ buildLibraries Should NOT inherit sound tags from sprites
buildLibraries Should always extract dataFormat from file extension ‑ buildLibraries Should always extract dataFormat from file extension
buildLibraries Should deduplicate assets with the same name, ignoring casing ‑ buildLibraries Should deduplicate assets with the same name, ignoring casing
buildLibraries Should fill global costumes from sprites if fillAssetsFromSprites is true ‑ buildLibraries Should fill global costumes from sprites if fillAssetsFromSprites is true
buildLibraries Should fill sounds from global libraries even when fillAssetsFromSprites is false ‑ buildLibraries Should fill sounds from global libraries even when fillAssetsFromSprites is false
buildLibraries Should handle duplicate asset names in different sprites by including only one in the global library ‑ buildLibraries Should handle duplicate asset names in different sprites by including only one in the global library
buildLibraries Should handle invalid JSON files gracefully ‑ buildLibraries Should handle invalid JSON files gracefully
buildLibraries Should handle missing files gracefully ‑ buildLibraries Should handle missing files gracefully
…

♻️ This comment has been updated with latest results.

[adzhindzhi]

Looks good!!! 🎊