Accept category query param

[fhlavac]

Fixes RHCLOUD-30764

• made integrations tabs accept the category
• merge of RHCLOUD-30785 is needed to display the empty states properly\
• added missing NO_APPLICATION_VALUE per warning in the console

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (b93a408) 97.76% compared to head (5660ed2) 97.74%.

:exclamation: Current head 5660ed2 differs from pull request most recent head 787fa82. Consider uploading reports for the commit 787fa82 to get more accurate results

Files	Patch %	Lines
src/utilities/store.js	66.66%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1202 +/- ## ========================================== - Coverage 97.76% 97.74% -0.03% ========================================== Files 183 183 Lines 3676 3681 +5 Branches 1046 1048 +2 ========================================== + Hits 3594 3598 +4 - Misses 76 77 +1 Partials 6 6 ```

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