[MTV-1967] Create plan wizard state is not set correctly when re-selecting a source provider

[jpuzz0]

📝 Links

References: https://issues.redhat.com/browse/MTV-1967

📝 Description

When using the create migration plan wizard, selecting a provider, then de-selecting and selecting another (could be the same), source storage and network mappings were being set to empty arrays and therefore disallowing users from selecting mappings on step 2 of the wizard.

This change addresses this, limits the initialization of state to the initial call of the useFetchEffects hook (which prevents the resetting of plan name validation), and also addresses other unnecessary re-rending within the useFetchEffects hook, which could use some refactoring still, as the amount of useEffects there leads to that hook being unreadable and one can easily get lost as to which effect they're looking at or even what this generically called hook's purpose is.

🎥 Demo

Screen.Recording.2025-01-30.at.11.08.43.AM.mov

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 36.33%. Comparing base (13484d0) to head (5e4afde).
Report is 212 commits behind head on main.

Files with missing lines	Patch %	Lines
...rc/modules/Providers/hooks/useProviderInventory.ts	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1447      +/-   ##
==========================================
- Coverage   36.81%   36.33%   -0.48%     
==========================================
  Files         158      156       -2     
  Lines        2548     2521      -27     
  Branches      599      592       -7     
==========================================
- Hits          938      916      -22     
+ Misses       1428     1423       -5     
  Partials      182      182              

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