Moved the connector from AixLib.ThermalZones.HighOrder.Rooms.BaseClasses.PartialRoomParams to .PartialRoom

[TobiasSpratte]

Removed the connector from AixLib.ThermalZones.HighOrder.Rooms.BaseClasses.PartialRoomParams, because it should only contain parameters, and added the connector to AixLib.ThermalZones.HighOrder.Rooms.BaseClasses.PartialRoom.

[TobiasSpratte]

This closes #1401.

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[larissakuehn]

Looks great, thank you!