Parallelism UI improvements

[Short description explaining the high-level reason for the pull request]

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[ ] PR has an informative and human-readable title (this will be pulled into the release notes)
[ ] Changes are limited to a single goal (no scope creep)
[ ] Code passed the pre-commit check & code is left cleaner/nicer than when first encountered.
[ ] Any change in functionality is tested
[ ] New functions are documented (with a description, list of inputs, and expected output)
[ ] Placeholder code is flagged / future TODOs are captured in comments
[ ] Project documentation has been updated if adding/changing functionality.

[!IMPORTANT] Enhance parallelism UI by improving step navigation, sub-application handling, and insights display across multiple components.

Behavior:

Modify AppListTable in AppList.tsx to display all apps, not just root apps.

Update AppView in AppView.tsx to handle SequenceLocation for step navigation.

Enhance AnnotationsView in AnnotationsView.tsx to support SequenceLocation for annotations.

Components:

Add RecursionDepthPadding and SelfLoadingSubApplicationContainer in StepList.tsx for better sub-application handling.

Update WaterfallPiece in StepList.tsx to handle sub-actions.

Modify InsightSubTable in InsightsView.tsx to use SequenceLocation for insights.

Utilities:

Add useLocationParams in utils.tsx for consistent URL parameter handling.

Misc:

Import GraphBuilder in burr/core/__init__.py.

Remove unused useParams import in AppView.tsx.

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DAGWorks-Inc / burr

Parallelism UI improvements #421

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