Metadata schemas with capital letters will not be indexed.

[github-actions]

Original issue description

Describe the bug
If a metadata document is created that references a metadata schema whose name contains an uppercase letter, the metadata document will not be indexed.

To Reproduce
Steps to reproduce the behavior:

1. Register a schema with a uppercase letter (e.g. myTest)
2. Create a metadata document using this schema.
3. Search for document.
4. Metadata document is not part of the result.

Expected behavior
All matching documents should be listed.
Reason:
Since the index for elasticsearch is formed from the prefix 'metastore_' and the schema identifier, no capital letters are allowed for the identifier.

closes #351

[codecov]

Codecov Report

Merging #352 (7fc5993) into development (9497fc4) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@                Coverage Diff                @@
##             development     #352      +/-   ##
=================================================
+ Coverage          87.75%   87.77%   +0.01%     
- Complexity           916      918       +2     
=================================================
  Files                 73       73              
  Lines               3234     3238       +4     
  Branches             391      391              
=================================================
+ Hits                2838     2842       +4     
  Misses               266      266              
  Partials             130      130              

Impacted Files	Coverage Δ
...ager/metastore2/util/MetadataSchemaRecordUtil.java	78.90% <ø> (ø)
...anager/metastore2/domain/MetadataSchemaRecord.java	97.36% <100.00%> (+0.30%)	⬆️

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