fix(app): fix calibration copy, 96 wizard attach title

[smb2268]

fix RQA-1866, RQA-1767

Overview

Fix two 96-channel bugs:

1. Title of 96-channel attach wizard changes to "Detach and attach 96-channel" after attachment
2. Robot settings calibration item mount listed as "left" instead of "both"

Test Plan

1. Attach a 96-channel pipette with an empty gantry, see that for the duration of the wizard flow the title remains "Attach 96-Channel Pipette"
2. Once the pipette is attached and calibrated, go to robot settings/calibration on desktop and see that under "Mount" you now see "Both"

Changelog

Memoize "isGantryEmpty" variable so it doesn't become false after 96-pipette is attached and update mount to say "both" when 96 channel is attached

Review requests

Look over code and test plan

Risk assessment

Low

[codecov]

Codecov Report

Merging #13927 (c423d70) into edge (c4b3b56) will decrease coverage by 0.10%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             edge   #13927      +/-   ##
==========================================
- Coverage   70.82%   70.73%   -0.10%     
==========================================
  Files        2504     1629     -875     
  Lines       70465    54080   -16385     
  Branches     8616     3802    -4814     
==========================================
- Hits        49908    38252   -11656     
+ Misses      18457    15162    -3295     
+ Partials     2100      666    -1434     

Flag	Coverage Δ
app	42.97% <ø> (-25.83%)	⬇️

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see 876 files with indirect coverage changes

[koji]

The changes look good to me.