Fix wrong values when sanitizing fonts

[calixteman]

NPUSHW: push signed 16-bits integer: https://learn.microsoft.com/en-us/typography/opentype/spec/tt_instructions#push-n-words
indexToLocFormat: field in the 'head' table: https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6head.html#:~:text=indexToLocFormat,-0

[calixteman]

/botio test

[moz-tools-bot]

From: Bot.io (Windows)

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Received

Command cmd_test from @calixteman received. Current queue size: 0

Live output at: http://54.193.163.58:8877/37ca4577d8e3038/output.txt

[moz-tools-bot]

From: Bot.io (Linux m4)

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Received

Command cmd_test from @calixteman received. Current queue size: 0

Live output at: http://54.241.84.105:8877/3649ecb8a643bc0/output.txt

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.50%. Comparing base (1bd4c4f) to head (535c8d1).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #21031      +/-   ##
==========================================
+ Coverage   63.46%   63.50%   +0.03%     
==========================================
  Files         177      177              
  Lines      125490   125490              
==========================================
+ Hits        79648    79695      +47     
+ Misses      45842    45795      -47     

Flag	Coverage Δ
fonttest	7.66% <100.00%> (ø)
unittestcli	63.48% <100.00%> (+0.03%)	⬆️

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[moz-tools-bot]

From: Bot.io (Linux m4)

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Success

Full output at http://54.241.84.105:8877/3649ecb8a643bc0/output.txt

Total script time: 45.30 mins

• Unit tests: Passed
• Integration Tests: Passed
• Regression tests: Passed

[moz-tools-bot]

From: Bot.io (Windows)

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Failed

Full output at http://54.193.163.58:8877/37ca4577d8e3038/output.txt

Total script time: 77.08 mins

• Unit tests: Passed
• Integration Tests: FAILED
• Regression tests: Passed

[timvandermeij]

Nice find!