Rachel Powers 236764adf6 refactor: Qt can handle const& in signals and slots
While most Qt types cna use implicit data sharing
pasing our own structs means copies. const& ensure
it's only copied as needed by Qt.

Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>
2023-05-01 10:48:00 -07:00
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