fix: use geom_type instead of type for Shapely objects

[dwong2708]

Description

Fixes: #35176, #35044

These changes update references to Shapely's type property to use geom_type instead, due to deprecation warnings.

Useful information to include:

Here is the evidence of the deprecation warning message:

Before:

After:

Additionally. The helper called test_capa_system was updated by get_capa_system. The reason is pytest was taken this function as a test but actually is a helper.

Here the evidence of the deprecation message:

After the fix:

Supporting information

This PR addresses the following ticket: #35176

Testing instructions

Simply run this test: pytest xmodule xmodule/capa/tests/test_responsetypes.py

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