[CHE-129] Add Edit Functionality To Posts

[brok3turtl3]

Description

As part of the CHE-110 story, Forums Improvements, this PR adds edit functionality to posts that the user made.

• Future tickets to move some of the display logic to individual components as well as migration to redux state to follow.

Jira Task

CHE-129

Testing Instructions

1. Ensure branches are up to date and spin up dev environment.
2. Navigate to Forums and confirm that the only posts you can edit correspond to the user you are logged in under.
3. Select one of your user's posts and use the edit feature.
4. Confirm edits and updates to posts are immediate.

Checklist

All Team Members

• I added a descriptive title to this PR.
• I filled out the Description, Jira Task, and Testing Instructions sections above.
• I added or updated [Jest unit tests]for any changes to components, server-side controllers, etc.
• I ran npm run docker-test in my local environment to check that this PR passes all unit tests.
• I did a quick check to make sure my code changes follow the recommended style guide.

Additional Notes, Images, etc.

N/A

[Mnelson98]

This is currently setup to enable users to edit replies they've posted. Is this the goal or are we trying to enable editing of the actual posts themselves?

[brok3turtl3]

Hey @Mnelson98 - This PR should only allow users to edit the replies they have posted to threads (topics). There is a subsequent PR up that will allow them to edit the initial thread post itself.