MWPW-140466 | Stage | Add CC blocks to Sidekick block library

[aishwaryamathuria]

New CC interactive marquee blocks are currently not visible in sidekick library.
Updating the library url to pull cc blocks as well.

Resolves: MWPW-140466

Test URLs:

Before: https://milo.adobe.com/tools/library
After: https://milo.adobe.com/tools/library?ref=main&repo=cc&owner=adobecom&host=adobe.com&project=CC

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Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f351dff) 90.29% compared to head (38e3973) 90.29%.

Additional details and impacted files

@@           Coverage Diff           @@
##            stage     #147   +/-   ##
=======================================
  Coverage   90.29%   90.29%           
=======================================
  Files           5        5           
  Lines         546      546           
=======================================
  Hits          493      493           
  Misses         53       53           

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