A bug when using REST_OPTION=date

The errors occur in the following line:
https://github.com/ESCOMP/CMEPS/blob/95e148bde5d71d31fd431f11a2539d461b325b9a/mediator/med_phases_restart_mod.F90#L88

Errors message is like such:
```
20220505 103527.148 ERROR PET0 (med_time_alarmInit):date requires opt_ymd
20220505 103527.149 ERROR PET0 ESMF_Alarm.F90:1445 ESMF_AlarmSet() Object being used before creation - Bad Object
20220505 103527.149 ERROR PET0 med_phases_restart_mod.F90:91 Object being used before creation - Passing error in return code
```
According to line:
https://github.com/ESCOMP/CMEPS/blob/95e148bde5d71d31fd431f11a2539d461b325b9a/mediator/med_time_mod.F90#L53

There should be a parameter `opt_ymd` added when calling `med_time_alarmInit` and `restart_option` is ` date`. Namely,

`call med_time_alarmInit(mclock, alarm, option=restart_option, opt_n=restart_n, &`

should be:

`call med_time_alarmInit(mclock, alarm, option=restart_option, opt_n=restart_n, opt_ymd=restart_ymd, &`

`restart_ymd` also has to be declared and retrieved in the file.