refactor: remove lodash dependency

[matthewgallo]

Closes #6805

To help reduce our footprint, this PR removes lodash as a dependency, as everything we used from lodash could be done natively. I added utilities for everything we previously imported from lodash.

Utilities replaced:
clamp
debounce
throttle
isEqual

I also added support for prefixing in our current uuidv4 utility as this was possibly with uniqueId from lodash (previously used in useDatagrid).

What did you change?

Any file importing anything from lodash, now using our own utilities that do the same thing

How did you test and verify your work?

Manually verified in storybook and made sure all tests pass

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[codecov]

Codecov Report

Attention: Patch coverage is 79.34783% with 19 lines in your changes missing coverage. Please review.

Project coverage is 81.52%. Comparing base (a9a4285) to head (ceb8682).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6809      +/-   ##
==========================================
+ Coverage   81.49%   81.52%   +0.03%     
==========================================
  Files         399      402       +3     
  Lines       12978    13028      +50     
  Branches     4270     4287      +17     
==========================================
+ Hits        10576    10621      +45     
- Misses       2402     2407       +5     

Components	Coverage Δ
ibm-products	∅ <ø> (∅)
ibm-products-web-components	∅ <ø> (∅)

[matthewgallo]

I did some refactoring here to use IntersectionObserver rather than a scroll event for tracking when the gradients should become visible. This should be more performant, also the behavior with the component using the throttle utility seemed subtly different than when using throttle from lodash so I opted to use an intersection observer.

[elycheea]

Overall looking good — I do see some of the new utils aren’t covered by tests yet. Also might be some opportunity to clean up an extra clamp util in Coachmark helpers.

Still have scroll gradient changes left to review though. :)

[amal-k-joy]

Awesome work. 🎉
Some small comments has added.

[matthewgallo]

Build/type issues will be resolved when #6861 is merged