feat(protocol-designer, step-generation): single channel partial tip support for 'default' primaryNozzle only

[jerader]

closes AUTH-594 AUTH-596 AUTH-597 AUTH-598 AUTH-599

Overview

This is behind a ff so shouldn't affect anything in 8.3.0, 8.4.0, etc until we want to finish & release this feature

This PR adds single tip partial tip support for 96-channel and 8-channel, only starting at the 'default' primary nozzles which are H1 for 8-channel and H12 for 96-channel.

Note that collision warnings for deck extents, ot-2 and 8-channel are not fully supported yet.

Test Plan and Hands on Testing

Turn on the partial tip FF

• create an 8-channel protocol for the Flex or OT-2, add 2 transfer steps, one with all nozzles and one with 1 nozzle. see that it looks correct and it passes analysis on the app
• create a 96-channel protocol for the Flex, add 3 transfer steps, one with all nozzles, one with 1 nozzle, and one with 1 column. see that it looks correct and passes analysis on the app
• turn off the FF, see that the single option is not found

Changelog

• add support for single nozzle pick up for the default primary nozzle
• extend support to the partial tip field, utils, and step-generation
• create ff for partial tip work

Risk assessment

low, behind ff