feat: discussion setting and release & due date setting (#976)

[DanielVZ96]

Cherry pick fixes:

• fix: hide release and due dates config in self paced courses

• feat: discussion enable setting for unit in outline

• refactor: message text

• fix: modal dialog overflow

---

Testing

• In the CMS, go to through all tabs for configuration on a subsection, and cofirm it renders correctly (zoom in and out of the page too because in high res screens the issue may not appear)

before

after

[codecov]

Codecov Report

Attention: Patch coverage is 96.15385% with 1 line in your changes missing coverage. Please review.

Project coverage is 92.45%. Comparing base (f336daa) to head (52d33b3).
Report is 5 commits behind head on asu-moe/redwood-css.

Files with missing lines	Patch %	Lines
src/generic/configure-modal/UnitTab.jsx	92.85%	1 Missing ⚠️

Additional details and impacted files

@@                   Coverage Diff                   @@
##           asu-moe/redwood-css      #60      +/-   ##
=======================================================
+ Coverage                92.43%   92.45%   +0.01%     
=======================================================
  Files                      708      708              
  Lines                    12539    12547       +8     
  Branches                  2690     2696       +6     
=======================================================
+ Hits                     11591    11600       +9     
+ Misses                     913      912       -1     
  Partials                    35       35              

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[Cup0fCoffee]

👍

• I tested this
• I read through the code
• I made sure any change in configuration variables is reflected in the corresponding client's configuration-secure repository.