Fix $or in InMemDao (GSI-2508)

[TheByronHimes]

$or conditions with multiple expressions are flattened incorrectly to a list of 'or' instead of 'and'.
So something like

{
    "$or": [
        <some single expression that is False in our case>,
        {"fieldX": 100, "fieldY": True}
    ]
}

would incorrectly also return documents where the first expression is false and only the fieldX or fieldY expressions are True (when it should require both to be true for the branch to be true).

[coveralls]

Coverage Report for CI Build 29520100309

Coverage decreased (-0.03%) to 93.632%

Details

• Coverage decreased (-0.03%) from the base build.
• Patch coverage: 2 uncovered changes across 1 file (11 of 13 lines covered, 84.62%).
• No coverage regressions found.

Uncovered Changes

File	Changed	Covered	%
src/hexkit/providers/testing/dao.py	13	11	84.62%

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	3989
Covered Lines:	3735
Line Coverage:	93.63%
Coverage Strength:	0.94 hits per line

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💛 - Coveralls