feat: adds create group modal

[katrinan029]

Description

Adds a modal to create a group and assign members to the group.

TODO: We also need to add in logic to check if a user belongs to the org. refer to this JIRA Ticket
https://2u-internal.atlassian.net/browse/ENT-9600

Test

1. checkout branch knguyen2/ent9464
2. npm run start:stage

Test scenario 1

1. go to link https://localhost.stage.edx.org:1991/adam-autoapplied-enterprise/admin/people-management and verify that you can create a group while adding members through a csv upload
2. confirm that the group was added in django admin screen

Test scenario 2

1. go to link https://localhost.stage.edx.org:1991/adam-autoapplied-enterprise/admin/people-management and verify that the Create button is disabled if there is no group name or valid emails

Test scenario 3

1. go to link https://localhost.stage.edx.org:1991/adam-autoapplied-enterprise/admin/people-management and verify that the Create button is disabled if there is a group name but no valid emails

Test scenario 4

1. go to link https://localhost.stage.edx.org:1991/adam-autoapplied-enterprise/admin/people-management and verify that the Create button is disabled if there is no group name but has valid emails

Screen.Recording.2024-10-07.at.3.55.26.PM.mov

For all changes

• Ensure adequate tests are in place (or reviewed existing tests cover changes)

Only if submitting a visual change

• Ensure to attach screenshots
• Ensure to have UX team confirm screenshots

[codecov]

Codecov Report

Attention: Patch coverage is 94.36620% with 4 lines in your changes missing coverage. Please review.

Project coverage is 85.71%. Comparing base (912940c) to head (d24125e).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...dit-management/invite-modal/InviteModalContent.jsx	77.77%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1330      +/-   ##
==========================================
+ Coverage   85.67%   85.71%   +0.04%     
==========================================
  Files         578      581       +3     
  Lines       12730    12797      +67     
  Branches     2711     2718       +7     
==========================================
+ Hits        10906    10969      +63     
- Misses       1763     1767       +4     
  Partials       61       61              

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[kiram15]

Looks good, just a couple copy changes!