fix: hover help for grid piemenu

[walterbender]

There are two problems with hover help in the grid pie menu:

(1) the strings were not being translated; and
(2) the strings did not match the strings in ExtraBlocks.js so even if they were translated, they would not appear in the PO files.

This PR addresses both issues:
(1) the hover text is now wrapped in _() so it is sent through the translation system; and
(2) the list of labels now matches the strings in ExtraBlocks.js so that they are properly translated.

Before:

After:

Testing: Tested in both EN and JA to ensure hover text displays properly and grids are rendered properly.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.27%. Comparing base (8924384) to head (91e1b44).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
js/piemenus.js	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7796   +/-   ##
=======================================
  Coverage   59.27%   59.27%           
=======================================
  Files         176      176           
  Lines       57975    57975           
=======================================
  Hits        34365    34365           
  Misses      23610    23610           

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[walterbender]

@vanshika2720 please review

[vanshika2720]

@walterbender Verified locally. The hover help is now translated correctly, and the labels match those in ExtrasBlocks.js as expected but there is a small typo ,actually the file name is ExtrasBlocks.js.