Aithre get move required so that beam is at pixel non smargon

[teoching0705]

Fixes DiamondLightSource/mx-bluesky#1269

Instructions to reviewer on how to test:

1. Check if anything use smargon breaks

Checks for reviewer

• Would the PR title make sense to a scientist on a set of release notes
• If a new device has been added does it follow the standards
• If changing the API for a pre-existing device, ensure that any beamlines using this device have updated their Bluesky plans accordingly
• Have the connection tests for the relevant beamline(s) been run via dodal connect ${BEAMLINE}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.88%. Comparing base (321854b) to head (1c8edaa).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1533      +/-   ##
==========================================
+ Coverage   98.79%   98.88%   +0.08%     
==========================================
  Files         260      260              
  Lines        9464     9474      +10     
==========================================
+ Hits         9350     9368      +18     
+ Misses        114      106       -8     

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