Fix cased comparison in catalog-retrieval function

[peterallenwebb]

resolves #8939

Problem

Solution

Checklist

• I have read the contributing guide and understand what's expected of me
• I have run this code in development and it appears to resolve the stated issue
• This PR includes tests, or tests are not required/relevant for this PR
• This PR has no interface changes (e.g. macros, cli, logs, json artifacts, config files, adapter interface, etc) or this PR has already received feedback and approval from Product or DX
• This PR includes type annotations for new and modified functions

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a2a7b7d) 86.50% compared to head (bb27a8f) 86.49%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8940      +/-   ##
==========================================
- Coverage   86.50%   86.49%   -0.01%     
==========================================
  Files         177      177              
  Lines       26405    26405              
==========================================
- Hits        22841    22839       -2     
- Misses       3564     3566       +2     

Flag	Coverage Δ
integration	83.35% <100.00%> (-0.01%)	⬇️
unit	64.80% <100.00%> (ø)

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

Files	Coverage Δ
core/dbt/adapters/base/impl.py	82.85% <100.00%> (ø)

... and 1 file with indirect coverage changes

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

[mikealfare]

Running dbt-snowflake integration tests against this PR: https://github.com/dbt-labs/dbt-snowflake/actions/runs/6694532138

[mikealfare]

Running dbt-snowflake integration tests against this PR: https://github.com/dbt-labs/dbt-snowflake/actions/runs/6694532138

These tests passed, it looks like this fixes the issue.