fix: auto capitalize target collection in by_ref_multi_target

[melsonic]

/fixes weaviate/weaviate#6549

[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   0   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

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[melsonic]

Please review @tsmith023

[tsmith023]

Hi @melsonic, this looks great to me from an implementation PoV. Would you be willing to add an integration test that validates this fix works as intended? We have many in the integration/ directory so feel free to add it there using the testing framework we have setup! Cheers 😁

[melsonic]

Hi @melsonic, this looks great to me from an implementation PoV. Would you be willing to add an integration test that validates this fix works as intended? We have many in the integration/ directory so feel free to add it there using the testing framework we have setup! Cheers 😁

Yeah sure, I will add the required tests in the next commit.

[melsonic]

Hi @tsmith023, Please review this PR when you have time.
Thank you!!

[tsmith023]

I like this test but it's a unit test rather than an integration test. Please could you move it to the test/collection/test_filter.py file? Thank you!