feat: Add warning for same module designation

[tefra]

📒 Description

Add warning to notify users if classes from two different locations end up in the same module, when the filenames structure style is used.

warning: Classes from different locations are designated to same module.
You can resolve this if you switch to another `--structure-style`.
file:///home/chris/projects/xsdata/issue/schema/conn/SignatureService_V7_5_6.wsdl
file:///home/chris/projects/xsdata/issue/schema/conn/SignatureService_V7_5_6.xsd

Resolves #1014

🔗 What I've Done

Write a description of the steps taken to resolve the issue

💬 Comments

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🛫 Checklist

• [ ] Updated docs
• [ ] Added unit-tests
• [ ] Sample tests pass
• [ ] W3C tests pass

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (7628204) to head (2c16441).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1018 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 117 117 Lines 9256 9263 +7 Branches 2189 2191 +2 ========================================= + Hits 9256 9263 +7 ```

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