[BUG] C.13 reader/forms (form list page) day-behind bug persisting when editing a form's date.

[AidanLoran]

Describe the bug
The day that a form is scheduled for, i.e. monday, will sometimes display to the reader as a day behind, i.e. sunday. This currently happens when editing a forms date. Related to C14 as well.

To Reproduce
Steps to reproduce the behavior:

1. access both reader and admin account
2. publish a form for a specific day (i.e. monday)
3. verify that the date on reader side is correct
4. edit the form's date (i.e. monday and tuesday, then change it back)
5. verify that the published form day on reader's side is wrong

Expected behavior
A form's published day should be correct regardless of any edits made to it

Additional context
Related to C.14 (#326 )