[m-czernek]

Not sure why but this line fell out during the migration - https://github.com/saltstack/salt/blob/3006.x/salt/modules/dockercompose.py#L353

This commit brings it back.

What issues does this PR fix or reference?

Fixes: #18

Previous Behavior

A failed edit to a compose file deletes it unconditionally.

New Behavior

A failed edit to a compose file only deletes it if it didn't exist before.

Merge requirements satisfied?

[NOTICE] Bug fixes or new features require tests.

• Docs
• Changelog - https://salt-extensions.github.io/salt-extension-copier/topics/documenting/changelog.html#procedure
• Tests written/updated

Commits signed with GPG?

Yes/No

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[codecov]

Codecov Report

❌ Patch coverage is 12.19512% with 36 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.90%. Comparing base (cebd4c0) to head (284cad5).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
tests/unit/modules/test_dockercompose.py	12.82%	34 Missing ⚠️
src/saltext/dockermod/modules/dockercompose.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #23      +/-   ##
==========================================
- Coverage   42.10%   41.90%   -0.21%     
==========================================
  Files          26       26              
  Lines        6545     6629      +84     
  Branches     1138     1146       +8     
==========================================
+ Hits         2756     2778      +22     
- Misses       3542     3601      +59     
- Partials      247      250       +3     

Flag	Coverage Δ
Linux	41.89% <12.19%> (-0.21%)	⬇️
project	37.76% <0.00%> (+0.05%)	⬆️
py310	41.84% <12.19%> (-0.21%)	⬇️
py311	41.84% <12.19%> (-0.21%)	⬇️
py314	41.84% <12.19%> (-0.21%)	⬇️
salt_3006_27	41.84% <12.19%> (-0.21%)	⬇️
salt_3008_2	41.84% <12.19%> (-0.21%)	⬇️
tests	49.54% <12.82%> (-0.83%)	⬇️

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