bump privacy dashboard to 7.3.1 (#5419)

Task/Issue URL:
https://app.asana.com/0/414730916066338/1209003600291441/f
Re: https://app.asana.com/0/414730916066338/1209021936559905/f

### Description

The assets for the dashboard were removed by mistake, this PR adds them
back. Please see the link above for more details.

### Steps to test this PR

- The dashboard loads correctly

_Feature 1_
- [ ]
- [ ]

### UI changes
| Before  | After |
| ------ | ----- |
!(Upload before screenshot)|(Upload after screenshot)|