feat: check all restricted balances are above minimum when redeeming

[nmammeri]

Pull Request

Closes: PRO-1821

Checklist

Please conduct a thorough self-review before opening the PR.

• I am confident that the code works.
• I have written sufficient tests.
• I have written and tested required migrations.
• I have updated documentation where appropriate.

Summary

• Added a check that makes sure we are not left with the situation where a restricted address is below MINIMUM_FUNDING.
• This broke some other tests which were updated to take the new checks into consideration

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72%. Comparing base (c5f26eb) to head (3463b28).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
state-chain/pallets/cf-funding/src/lib.rs	71%	2 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##            main   #5444    +/-   ##
======================================
- Coverage     72%     72%    -0%     
======================================
  Files        491     491            
  Lines      86776   86659   -117     
  Branches   86776   86659   -117     
======================================
- Hits       62477   62307   -170     
- Misses     21699   21753    +54     
+ Partials    2600    2599     -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[dandanlen]

Good work, thanks.