Fix query generation in GetAllAsync

[kailash-b]

Changes

• Fixes an un-intended .ToLower() while generating the query parameter in Clients.GetAllAsync()

References

• SDK-6086
• Can't use GetAllAsync Query client_grant.organization_id:{orgId} filter #815

Testing

• This change adds unit test coverage

• This change adds integration test coverage

• This change has been tested on the latest version of the platform/language or why not

Checklist

• I have read the Auth0 general contribution guidelines

• I have read the Auth0 Code of Conduct

• All existing and new tests complete without errors

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.74%. Comparing base (1655daf) to head (c3a3476).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #820      +/-   ##
==========================================
- Coverage   75.78%   75.74%   -0.04%     
==========================================
  Files         445      445              
  Lines        5843     5843              
  Branches      366      366              
==========================================
- Hits         4428     4426       -2     
- Misses       1254     1256       +2     
  Partials      161      161              

Flag	Coverage Δ
authIntTests	30.68% <0.00%> (ø)
mgmtIntTests	57.91% <100.00%> (-0.04%)	⬇️
unittests	5.89% <0.00%> (ø)

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

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.