feat: add disabled mode to splitter

[jake-bassett]

Description

Please include a summary of the change, motivation and context.

Testing

Please describe the tests that you ran to verify your changes. Please summarize what did you test and what needs to be tested e.g. deployed and tested helm chart locally.

Checklist:

• [ ] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] Any dependent changes have been merged and published in downstream modules

Documentation

Make sure that you have documented corresponding changes in this repository or hypertrace docs repo if required.

[github-actions[bot]]

Test Results

       4 files  ±0     316 suites  ±0   31m 41s :stopwatch: - 1m 27s 1 135 tests ±0  1 133 :heavy_check_mark:  - 2  0 :zzz: ±0  2 :x: +2  1 145 runs  ±0  1 143 :heavy_check_mark:  - 2  0 :zzz: ±0  2 :x: +2 

For more details on these failures, see this check.

Results for commit fd4da580. ± Comparison against base commit 56f3457a.

[codecov[bot]]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (56f3457) 82.20% compared to head (fd4da58) 74.48%.

:exclamation: Current head fd4da58 differs from pull request most recent head e3ad1e5. Consider uploading reports for the commit e3ad1e5 to get more accurate results

Files	Patch %	Lines
...ects/components/src/splitter/splitter.component.ts	0.00%	4 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2552 +/- ## ========================================== - Coverage 82.20% 74.48% -7.73% ========================================== Files 927 927 Lines 20860 20863 +3 Branches 3310 3311 +1 ========================================== - Hits 17149 15539 -1610 - Misses 3574 5109 +1535 - Partials 137 215 +78 ```

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