fix: transparency under the searchbar in some cases

[MrFlashAccount]

Check List

• Tests has been run in packages where changes made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

Issue Reference this PR resolves

[For example #12]

Description of Changes Made (if issue reference is not provided)

this pr fixes the transparency of the background of the search menu item in some weird cases.

[codecov]

Codecov Report

Merging #4301 (9f9b42d) into master (0ea9699) will decrease coverage by 9.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4301      +/-   ##
==========================================
- Coverage   68.04%   59.02%   -9.02%     
==========================================
  Files         233      133     -100     
  Lines       21496    10879   -10617     
  Branches     2561     2561              
==========================================
- Hits        14626     6421    -8205     
+ Misses       6595     4183    -2412     
  Partials      275      275              

Flag	Coverage Δ
cube-backend	59.02% <ø> (ø)
cubesql	?

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

Impacted Files	Coverage Δ
...t/cubesql/cubeclient/src/models/v1_load_request.rs
rust/cubesql/cubesql/src/sql/session_manager.rs
...pile/engine/information_schema/postgres/pg_proc.rs
rust/cubesql/cubesql/src/config/injection.rs
...ile/engine/information_schema/postgres/pg_range.rs
rust/cubesql/cubesql/src/sql/postgres/service.rs
...mpile/engine/information_schema/postgres/tables.rs
...engine/information_schema/postgres/pg_namespace.rs
...le/engine/information_schema/postgres/pg_tables.rs
rust/cubesql/cubesql/src/compile/context.rs
... and 90 more

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