MSEARCH-1245: Fix bucket creation

[viacheslavkol]

Purpose

Bucket exists error was observed in mod-search logs. Bucket creation should be skipped if it already exists

Approach

Add return statement when bucket already exists so creation is skipped

Pre-Merge Checklist:

Before merging this PR, please go through the following list and take appropriate actions.

• Does this PR meet or exceed the expected quality standards?
  • Code coverage on new code is 80% or greater
  • Duplications on new code is 3% or less
  • There are no major code smells or security issues
• Does this introduce breaking changes?
  • Were any API paths or methods changed, added or removed?
  • Were there any schema changes?
  • Did any of the interface versions change?
  • Were permissions changed, added, or removed?
  • Are there new interface dependencies?
  • There are no breaking changes in this PR.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud