message: feat(protocol-designer): update air gap dispense tooltip
  Closes
diff: "step_fields": {
  "defaults": {
  "aspirate_airGap_checkbox": "Aspirate air before moving to next well",
  - "dispense_airGap_checkbox": "Aspirate air after dispense, before moving to next destination",
  + "dispense_airGap_checkbox": "Aspirate air before moving to Trash to dispose of tip. Tip will be disposed of at the end of steps using this setting.",
  "aspirate_flowRate": "The speed at which the pipette aspirates",
  "dispense_flowRate": "The speed at which the pipette dispenses",
  "aspirate_mix_checkbox": "Pipette up and down before aspirating",
  