[DataEntry] Clear note dialog text

[imnasnainaec]

There are two instances in Data Entry where the text of the note dialog isn't being cleared but should be:

• If you add a note to the New Entry then delete the New Entry, the icon of the note changes to that of an empty note, but when you click to add a new note, the old note text is there.
• If you start adding or editing a note and cancel via ESC, then click to add/edit the note, your previous edits will be there.

This pr fixes both of those.

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This change is 

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (862fb34) 72.27% compared to head (50c5865) 72.33%.

Files	Patch %	Lines
src/components/Dialogs/EditTextDialog.tsx	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2835      +/-   ##
==========================================
+ Coverage   72.27%   72.33%   +0.05%     
==========================================
  Files         257      257              
  Lines        9520     9522       +2     
  Branches     1097     1097              
==========================================
+ Hits         6881     6888       +7     
+ Misses       2311     2308       -3     
+ Partials      328      326       -2     

Flag	Coverage Δ
backend	82.96% <ø> (+0.10%)	⬆️
frontend	62.59% <75.00%> (+0.01%)	⬆️

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[jasonleenaylor]

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