multiline textBox: update expected-json fixtures

[#47172851]
more Classic MW imports and draft Interactives

- student/classic/freefall
- student/classic/gear
- student/classic/harmonic
- student/classic/machine
- student/classic/pulley
- student/classic/spring
- student/fluid
- student/materials
- student/motionandforce
- student/osmosis
- student/statesofmatter
- student/wave