Plan history updating unexpectedly

It is expected that history does not log initial submit to AH (changes status from 6/SD to 1/C (AH draft).
It is expected that ALL status changes after that point are logged in history — whether they have an accompanying comment or not.

All these should result in entry in history
- [x] AH submit for feedback (13/SR) with comment
- [ ] AH submit for feedback (13/SR) without comment
- [ ] AH submit for final decision (14/SFD) without comment
- [x] AH submit for final decision (14/SFD) with comment
- [x] Staff - web recommend for submission (19/RFS) with comment
- [ ] staff - web recommend for submission (19/RFS) without comment
- [x] staff - web request change (5/R) with comment
- [ ] staff - web request change (5/R) without comments
- [x] staff - iOS recommend for submission (19/RFS) with comment
- [ ] staff - iOS recommend for submission (19/RFS) without comment
- [x] staff - iOS request change (5/R) with comment
- [ ] staff - iOS request change (5/R) without comments
- [ ] staff - web approved recorded (12/A) (comments not in workflow ->fix)
- [x] staff - iOS approved recorded (12/A) with comment
- [ ] staff - iOS approved recorded (12/A) without comment
- [ ] staff - iOS not-approved-further work required recorded (10/NF) with comment
- [ ] staff - iOS not-approved-further work required recorded (10/NF) without comment ** should not be an option)
- [ ] staff - web not-approved-further work required recorded (10/NF) with comment
- [ ] staff - web not-approved-further work required recorded (10/NF) without comment ** should not be an option)