Coordinator refresh should be successful before syncing PINs

[raman325]

Proposed change

We shouldn't even try to decide whether to set or clear a code on a lock until we know we have accurate data from it.

Fixes #247 and fixes #225

Might be related:

• [ISSUE] don't clear slot and set slot on startup #101
• Integration making zwave locks unavailable #139

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (which adds functionality)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:

[codecov]

Codecov Report

Attention: Patch coverage is 81.25000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 90.29%. Comparing base (d0a3c97) to head (46455c5).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #250      +/-   ##
==========================================
+ Coverage   90.23%   90.29%   +0.06%     
==========================================
  Files          20       20              
  Lines        1239     1247       +8     
==========================================
+ Hits         1118     1126       +8     
  Misses        121      121              

Files	Coverage Δ
...stom_components/lock_code_manager/binary_sensor.py	95.00% <80.00%> (+0.79%)	⬆️
custom_components/lock_code_manager/__init__.py	96.61% <81.81%> (-0.40%)	⬇️