Frontend UX updates for consistency

[michellema1208]

• [ ] Generally: update copy throughout app (TBD - Product to sync with MMM)

Pages:

Create Project

• [ ] Mark Required vs. optional field (image fields are optional)
• [ ] Error states
• [ ] Loading states
• [ ] Update copy in the "save changes" modal to say lose not loose

Edit Project

• [ ] Mark Required vs. optional fields (image fields are optional)
• [ ] Error states
• [ ] Loading states
• [ ] Update copy in the "save changes" modal to say lose not loose

Project Profile

• [ ] Add “last edited” copy to the edit timestamp with just the date
• [ ] Add "created on" timestamp with just the date
• [ ] Loading states

Grant Application

• [ ] Error states
• [ ] Remove the $ sign in the description
• [ ] Updating the placeholder text
• [ ] Mark required vs. optional fields