CMR-9836: add a "BROWSE IMAGE SOURCE" subtype to GET DATA Related URLs in UMM-G

[sxu123]

…s in UMM-G

Overview

What is the feature/fix?

Need to add the subtype.

What is the Solution?

Added the new Subtype enum in UMM-G schema. There doesn't seem to be any existing KMS validation and we don't want to add one. This should be okay if the user is just looking for this Subtype under "GET DATA" Type to identify a specific file that can be used to generate a raster image. If this Subtype is under any Type other than "GET DATA" at ingest, it will just not gonna be used.

What areas of the application does this impact?

List impacted areas.

CMR ingest, search.

Checklist

• [ x] I have updated/added unit and integration tests that prove my fix is effective or that my feature works
• [x ] New and existing unit and int tests pass locally and remotely with my changes
• [ x] I have removed unnecessary/dead code and imports in files I have changed
• [ x] I have performed a self-review of my own code
• [x ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ x] My changes generate no new warnings

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 57.84%. Comparing base (ecb7153) to head (8720991). Report is 4 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2111 +/- ## ======================================= Coverage 57.83% 57.84% ======================================= Files 1041 1041 Lines 70223 70234 +11 Branches 1978 1976 -2 ======================================= + Hits 40614 40624 +10 Misses 27746 27746 - Partials 1863 1864 +1 ```

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