[oshdb-filter] also non-relations should match geometry:other

[tyrasd]

Description

When done, this will make sure that filtering for (geometry:point or geometry:line or geometry:polygon or geometry:other) will actually select all features.

Corresponding issue

Fixes #338

Checklist

• My code follows the code-style rules, and I have checked on the static analyses and benchmark (if applicable) results
• I have commented my code
• I have written javadoc (required for public methods)
• I have added sufficient unit tests
• I have made corresponding changes to the documentation
• I have updated the CHANGELOG.md
• I have adjusted the examples or created an issue in the corresponding repository
• I have adjusted the benchmark or created an issue in the corresponding repository