Prevent cross-entry recording interference

[imnasnainaec]

Resolves #3151

(Had some failing unit tests; fixed by #3156)

---

This change is 

[codecov]

Codecov Report

Attention: Patch coverage is 28.12500% with 23 lines in your changes missing coverage. Please review.

Project coverage is 74.80%. Comparing base (12f00ab) to head (a385e9e).
Report is 47 commits behind head on master.

Files with missing lines	Patch %	Lines
src/components/Pronunciations/Recorder.ts	0.00%	12 Missing ⚠️
src/components/Pronunciations/AudioRecorder.tsx	0.00%	8 Missing ⚠️
src/components/Pronunciations/RecorderIcon.tsx	75.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3157      +/-   ##
==========================================
- Coverage   74.83%   74.80%   -0.04%     
==========================================
  Files         277      277              
  Lines       10622    10636      +14     
  Branches     1270     1276       +6     
==========================================
+ Hits         7949     7956       +7     
- Misses       2310     2316       +6     
- Partials      363      364       +1     

Flag	Coverage Δ
backend	83.92% <ø> (+0.06%)	⬆️
frontend	66.74% <28.12%> (-0.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[jasonleenaylor]

src/components/Pronunciations/Recorder.ts line 23 at r2 (raw file):

   * If so, returns the `id` used with `startRecording()`.
   * If not, returns `undefined`. */
  isRecording(): string | undefined {

currentRecordingId or getActiveRecorder or getRecorderId - functions that start with is are expected to return a bool value.

[jasonleenaylor]

Looks good after the one method name adjustment I requested.

Reviewed 1 of 3 files at r1, 4 of 4 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @imnasnainaec)

[jasonleenaylor]

Reviewed 2 of 2 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @imnasnainaec)