Add warning label

[zsoltkebel]

Description of work

Added a warning label that notifies the user that motor values can be changed but won't persist.

Meaningful changes start at line 3971. The other changes are due to styling differences.

Ticket

ISISComputingGroup/IBEX#8285

Acceptance criteria

• The label is shown when the global macro MOTOR_ASG is set to DEFAULT.
• It is not shown if the macro is not set or set to WASL0.

---

Code Review

• Is the code of an acceptable quality?
• If the change is to an OPI, does the check_opi_format.py script in C:\Instrument\Dev\ibex_gui\base\uk.ac.stfc.isis.ibex.opis pass?
• Do the changes function as described and is it robust?
• Is there associated PR for the release notes?

Final Steps

• Reviewer has also merged the release notes

[esmith1729]

Works as expected