Fix. Code. Bug fixes after WP 7.0 update

[AntonV1211]

https://app.doboard.com/1/task/49938

[Copilot]

Pull request overview

This PR addresses regressions after the WordPress 7.0 update by tightening validation around asset enqueueing and improving/normalizing remote-call plugin install/activation error reporting.

Changes:

• Validate that an enqueue handle is not empty before registering/enqueueing assets.
• Simplify plugins_api() error handling to always surface the WP_Error message.
• Refine plugin activation error handling to separate WP_Error failures from falsy non-error results.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
lib/Cleantalk/Common/Enqueue/Enqueue.php	Adds a guard to prevent enqueueing/registering assets with an empty handle.
cleantalk.php	Adjusts remote-call install/activate flows to report more specific errors and simplify branching.

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[codecov]

Codecov Report

❌ Patch coverage is 14.28571% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 25.86%. Comparing base (3fb5257) to head (c7695e1).
⚠️ Report is 2 commits behind head on dev.

Files with missing lines	Patch %	Lines
cleantalk.php	0.00%	5 Missing ⚠️
lib/Cleantalk/Common/Enqueue/Enqueue.php	50.00%	1 Missing ⚠️

❌ Your patch check has failed because the patch coverage (14.28%) is below the target coverage (70.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff            @@
##                dev     #799   +/-   ##
=========================================
  Coverage     25.86%   25.86%           
- Complexity     5606     5607    +1     
=========================================
  Files           264      264           
  Lines         24126    24125    -1     
=========================================
+ Hits           6240     6241    +1     
+ Misses        17886    17884    -2     

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