minDate and maxDate mixed up

[fabienbranchel]

When we use two datetimepickers on same page, minDate and maxDate are mixed up.
You can test it on your demo, in the DateRange Example : https://logbon72.github.io/angular-material-datetimepicker/

1. Select a start date.
2. Reopen the start date : all is ok
3. Open the end date : we can't select date before start date, all is ok
4. Select the end date.
5. Reopen the start date : we can't select a date before than start date we previously selected
6. Reopen the end date : we can't select a date after than end date we previously selected

[hexadecy]

As a workaround you have to set undefined attribute min-date or max-date.
min-date="null"
Not sure it's the best solution...

[hexadecy]

@fabienbranchel can you test in my fork?

[fabienbranchel]

@hexadecy thank you, seems to work ;-)