Fix metadata not being saved properly

[mntzrr]

An add_order_note must be followed by a save unless update_status is used.

• save after add_order_note.
• save happened after the function returned when it should have been called prior.
• use update_status instead when changing status, and adding order note.

[mntzrr]

Task linked: CU-869391mke Fix metadata not being saved properly