Add ability to attach files in CCE Minor Proposals

[bledsoef]

Issue Description

Fixes #1411

• Files we attached to the otherEngagement page were not able to be stored.

Changes

• Utilized the attachmentUpload modal to store the file image.
• Created a proposalid to distinguish between the different types of images that will be uploaded.

Testing

• Checkout 1411_OtherEngagementFiles
• Navigate to Minor Management in the Admin sidebar dropdown.
• Click on the user ayisie to navigate to their CCE Minor Profile
• Switch to the Manage Proposals tab at the top.
• Click on the request Other Engagement button and fill out the information. Be sure to add a file.
• Check the database in attachmentuploads to see if the file was stored.
• It should look something like this,
  
  . The 1 represents the id (image 1 ) of the new file we uploaded.

[MImran2002]

It looks good. It is saved within the database.

[github-actions]

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