fix: fixing bug in learning budgets flow

[kiram15]

Previously, we were grouping customers who didn't have spend transactions or content assignments into one group, but some could have one or the other.

To test against a user without learner credit to make sure the "Allocate learning budgets" flow does not show up, use this customer.

Jira ticket

For all changes

• Ensure adequate tests are in place (or reviewed existing tests cover changes)

Only if submitting a visual change

• Ensure to attach screenshots
• Ensure to have UX team confirm screenshots

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.09%. Comparing base (ad46e00) to head (7880881).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1689   +/-   ##
=======================================
  Coverage   87.09%   87.09%           
=======================================
  Files         780      780           
  Lines       17705    17710    +5     
  Branches     3619     3620    +1     
=======================================
+ Hits        15420    15425    +5     
  Misses       2221     2221           
  Partials       64       64           

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