MPDX-9176 Final tasks for MHA

[kegrimes]

Description

Will not be updating MHA eligibility since #1546 is already updating! This PR is dedicated to mini tasks.

Mini tasks done here:

• Updated dates from mock to queried data
• Added download functionality
• Added Salary Calculator link to about form step
• Change download icon to print icon
• When user clicks on "Print", automatically open print window

Testing

• Go to /reports/housingAllowance
• Click "View Request"
• Click print link on receipt page
• Check that View page and print query were combined properly

Checklist:

• I have given my PR a title with the format "MPDX-(JIRA#) (summary sentence max 80 chars)"
• I have applied the appropriate labels (Add the label "Preview" to automatically create a preview environment)
• I have run the Claude Code /pr-review command locally and fixed any relevant suggestions
• I have requested a review from another person on the project
• I have tested my changes in preview or in staging
• I have cleaned up my commit history

[github-actions]

Bundle sizes [mpdx-react]

Compared against 60e80b4

No significant changes found

[github-actions]

Preview branch generated at https://mpdx-9176-update-mha-with-hcm.d3dytjb8adxkk5.amplifyapp.com

[dr-bizz]

Great work on this