feat(protocol-designer): collapse all step items on newly loaded file (#2549)
feat(protocol-designer): collapse all step items on newly loaded file (#2549)

Closes #2541
OpenTrons/opentrons-api,OpenTrons/opentrons-api,OpenTrons/opentrons_sdk,OpenTrons/opentrons-api,OpenTrons/opentrons-api,Opentrons/labware,OpenTrons/opentrons-api