AutoComplete, Dropdowns and User Form Reordering in Django Admin

[musanaeem]

Related Issue

Description

This PR adds the following to the admin panel:

• Reordering of User Page (Student Application) and addition of sections to make it look more organized and cleaner.
• Addition of Autocomplete fields in the Waffle Utils application in the Waffle Flag and Course ID fields.
• Addition of Autocomplete fields in the Site Configuration application in the custom 'Enabled Features' field. These values will be used to create the site values json. Additionally custom entries can also be made using the 'Extra Site Values' field.
• Addition of Dropdown and Autocomplete fields in the Course Date Signals application in the Org and Org Course/Course fields respectively.

These changes are to improve user experience when using the admin panel for the 'Student', 'Waffle Utils', 'Site Configuration' and 'Course Date Signals' Applications.

Screenshots

Student:

• Categorized Fields into Sections

Waffle Utils:

• Waffle Flag Autocomplete

- Course ID Autocomplete

Site Configuration:

• Autocomplete

- Auto-compute Site Values Before Save After Save

Course Date Signals:

• Dropdown Addition

• Autocomplete

Supporting information

N/A

Testing instructions

• Check out the musa/admin-revamp-dropdown branch.
• Install the required package by running either:
  1. pip install -r requirements/dev.txt, or
  2. pip install django-autocomplete-light inside your container.
• Navigate to http://local.openedx.io:8000/admin/auth/user/.
• Try adding a new user or updating an existing one to test the single select Autocomplete functionality.

Deadline

None

Other information

1. This change adds one package to the environment:

• django-autocomplete-light

Test Cases

• Pending