Add backwards compatibility handler for old input_structure trait

[edan-bainglass]

This PR adds handling of remaining usage of the old input_structure trait, routing to the new structure_uuid trait.

[AndresOrtegaGuerrero]

I will include like Plugin developer: ... so the user doesnt get confused with this warning

[edan-bainglass]

When will the user ever see this? These will only show up in tests, or if you switch to edit mode. They won't show in app mode. Note that we do not do "Plugin developer: ..." in any of our warnings. Have users raised this concern?

[AndresOrtegaGuerrero]

ahhh I thought that this will be the warning like the ones that Xing used to put , my bad

[edan-bainglass]

Which ones are those? 😅

[edan-bainglass]

Also, let me know if anything is holding this PR back 🙏

[AndresOrtegaGuerrero]

Nothing (holding this PR), is good , is just that Xing used to put warnings in the app mode, for example some can appear in the Calculation History, is there is an incompatibility or something with the code

[edan-bainglass]

I see. I just tested the vibroscopy plugin (which is incompatible). No warnings shown on install, load, usage, etc. Great if you can approve, so we can merge and proceed 🙏 If for some unforeseen reason, the message shows up in a user interface, we can iterate.

[codecov]

Codecov Report

❌ Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.18%. Comparing base (51933a0) to head (a506662).
⚠️ Report is 18 commits behind head on main.

Files with missing lines	Patch %	Lines
src/aiidalab_qe/common/mixins.py	60.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1423   +/-   ##
=======================================
  Coverage   72.18%   72.18%           
=======================================
  Files         108      108           
  Lines        7259     7263    +4     
=======================================
+ Hits         5240     5243    +3     
- Misses       2019     2020    +1     

Flag	Coverage Δ
python-3.11	72.17% <60.00%> (-0.02%)	⬇️
python-3.9	72.21% <60.00%> (+0.01%)	⬆️

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[edan-bainglass]

@AndresOrtegaGuerrero note that the failed test is unrelated. This is being handled by #1337, which is now rebased on this due to it failing for plugin incompatibility.

[edan-bainglass]

@AndresOrtegaGuerrero can I merge this?

[AndresOrtegaGuerrero]

LGTM thank you!

[AndresOrtegaGuerrero]

@AndresOrtegaGuerrero can I merge this?

Yes sorry i got busy on other things, thanks!