chore: watch mode improvements

[unlikelyzero]

Closes: #7323

Describe your changes:

• Adds a watch mode config to specify hot module reloading and the ability to run visual tests

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Is this change backwards compatible? For example, developers won't need to change how they are calling the API or how they've extended core plugins such as Tables or Plots.

Author Checklist

• Changes address original issue?
• Tests included and/or updated with changes?
• Has this been smoke tested?
• Have you associated this PR with a type: label? Note: this is not necessarily the same as the original issue.
• Have you associated a milestone with this PR? Note: leave blank if unsure.
• Is this a breaking change to be called out in the release notes?
• Testing instructions included in associated issue OR is this a dependency/testcase change?

Reviewer Checklist

• Changes appear to address issue?
• Reviewer has tested changes by following the provided instructions?
• Changes appear not to be breaking changes?
• Appropriate automated tests included?
• Code style and in-line documentation are appropriate?

[deploysentinel]

Current Playwright Test Results Summary

✅ 166 Passing - ⚠️ 2 Flaky

Run may still be in progress, this comment will be updated as current testing workflow or job completes...

(Last updated on 12/27/2023 05:33:28pm UTC)

Run Details

Running Job e2e-stable on CircleCI

Commit: 5bfb678

Started: 12/27/2023 05:28:44pm UTC

⚠️ Flakes

📄   functional/planning/timelist.e2e.spec.js • 1 Flake

Test Case Results

Test Case	Last 7 days Failures	Last 7 days Flakes
Time List Create a Time List, add a single Plan to it and verify all the activities are displayed with no milliseconds Retry 1 • Initial Attempt	0% (0) 0 / 39 runs failed over last 7 days	66.67% (26) 26 / 39 runs flaked over last 7 days

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📄   functional/plugins/notebook/restrictedNotebook.e2e.spec.js • 1 Flake

Test Case Results

Test Case	Last 7 days Failures	Last 7 days Flakes
Restricted Notebook with a page locked and with an embed @addinit Disallows embeds to be deleted if page locked @addinit Retry 1 • Initial Attempt	0% (0) 0 / 38 runs failed over last 7 days	52.63% (20) 20 / 38 runs flaked over last 7 days

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View Detailed Build Results

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Current Playwright Test Results Summary

✅ 15 Passing - ⚠️ 1 Flaky

Run may still be in progress, this comment will be updated as current testing workflow or job completes...

(Last updated on 12/27/2023 05:33:28pm UTC)

Run Details

Running Workflow e2e-couchdb on Github Actions

Commit: 5bfb678

Started: 12/27/2023 05:28:32pm UTC

⚠️ Flakes

📄   functional/plugins/notebook/notebookWithCouchDB.e2e.spec.js • 1 Flake

Test Case Results

Test Case	Last 7 days Failures	Last 7 days Flakes
Notebook Tests with CouchDB @couchdb Inspect Notebook Entry Network Requests Retry 1 • Initial Attempt	0% (0) 0 / 19 runs failed over last 7 days	15.79% (3) 3 / 19 runs flaked over last 7 days

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View Detailed Build Results

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (715a448) 56.02% compared to head (5bfb678) 61.02%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7326      +/-   ##
==========================================
+ Coverage   56.02%   61.02%   +4.99%     
==========================================
  Files         658      420     -238     
  Lines       26361    13039   -13322     
  Branches     2546        0    -2546     
==========================================
- Hits        14769     7957    -6812     
+ Misses      10893     5082    -5811     
+ Partials      699        0     -699     

Flag	Coverage Δ
e2e-full	41.79% <ø> (ø)
e2e-stable	58.55% <ø> (+<0.01%)	⬆️
unit	?

see 382 files with indirect coverage changes

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