[Catalog] Support Unpublish Catalog Content

[theBeginner86]

Notes for Reviewers

This PR adds support for Meshery users to unpublished a catalog item.
Only admins or curators are allowed this action.

Steps:

1. Updates the visibility from published to private
2. Removes the items from the https://meshery.io/catalog by calling a webhook to the workflow

demo:

Screen.Recording.2023-06-08.at.3.02.34.AM.mov

This PR fixes #

Error message for non-admins or non-curators:

Signed commits

• Yes, I signed my commits.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.02 ⚠️

Comparison is base (297877c) 11.09% compared to head (c53dd19) 11.07%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7753      +/-   ##
==========================================
- Coverage   11.09%   11.07%   -0.02%     
==========================================
  Files         123      123              
  Lines       17059    17080      +21     
==========================================
  Hits         1892     1892              
- Misses      14865    14886      +21     
  Partials      302      302              

Flag	Coverage Δ
unittests	11.07% <0.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/handlers/meshery_pattern_handler.go	0.00% <0.00%> (ø)
server/router/server.go	0.00% <0.00%> (ø)

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[l5io]

🚀 Preview for commit f9f31b6 at: https://6480f9ee7fdf134a591bfaff--meshery-docs-preview.netlify.app

[theBeginner86]

This PR also fixes a recent bug that removed GraphQL subscriptions from patterns page and removed catalog view preference logic.

[l5io]

🚀 Preview for commit d3cf744 at: https://6482a2f2d2034314c425df45--meshery-docs-preview.netlify.app

[l5io]

🚀 Preview for commit f61443c at: https://648330fe617b4b10c8969110--meshery-docs-preview.netlify.app

[theBeginner86]

@Abhishek-kumar09 @MUzairS15
Any comments here? ok to move forward here?

[github-actions]

[l5io]

🚀 Preview for commit c53dd19 at: https://6487224a58602d366e8b9fb1--meshery-docs-preview.netlify.app