fix: unlisten to annotation event beforeDestroy

[ozyx]

Closes #6689

Describe your changes:

Stops listeners from stacking up when clicking through to view multiple annotations.

TODO: CouchDB / YAMCS quickstart regression test

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?
• Command line build passes?
• Has this been smoke tested?
• 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?
• Has associated issue been labelled unverified? (only applicable if this PR closes the issue)
• Has associated issue been labelled bug? (only applicable if this PR is for a bug fix)

[deploysentinel]

Current Playwright Test Results Summary

✅ 12 Passing - ⚠️ 1 Flaky

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

(Last updated on 05/24/2023 09:29:06am UTC)

Run Details

Running Workflow e2e-couchdb on Github Actions

Commit: 0097a85

Started: 05/24/2023 09:26:13am 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 / 22 runs failed over last 7 days	36.36% (8) 8 / 22 runs flaked over last 7 days

---

View Detailed Build Results

---

[codecov]

Codecov Report

Merging #6690 (c659fe9) into master (356c90c) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #6690      +/-   ##
==========================================
- Coverage   54.06%   54.05%   -0.02%     
==========================================
  Files         623      623              
  Lines       24565    24566       +1     
  Branches     2456     2456              
==========================================
- Hits        13282    13278       -4     
- Misses      10626    10628       +2     
- Partials      657      660       +3     

Flag	Coverage Δ		*Carryforward flag
e2e-full	31.24% <ø> (ø)		Carriedforward from 1dd4a4b
e2e-stable	55.29% <ø> (ø)
unit	48.88% <0.00%> (-0.06%)	⬇️

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
...ctorViews/annotations/AnnotationsInspectorView.vue	0.00% <0.00%> (ø)

... and 6 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 356c90c...c659fe9. Read the comment docs.

[scottbell]

Nice fix @ozyx