[WIP] Update to community response notification signup form

[jeanetteobr]

Description

This PR introduces updates to the CommunityResponseSubscriber model and related components.

Field Changes:

• Added organization_type
• Added mission_statement
• Removed organization_street_address
• Removed organization_po_box
• Removed organization_zip_codes_served
• Removed title

Test Updates:

• Removed outdated test cases related to removed fields
• No additional tests or test cases were added as they are not needed

CSS Enhancements:

• Added styling to make label asterisk appear red instead of black

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Related Tickets/Issues

https://app.clickup.com/t/868bevzhj

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Screenshots

Before:

After:

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Testing Instructions

1. Run Migrations

python manage.py migrate

2. Verify functionality in the following areas:

• Form behavior for new/modified fields
• Correct default values in the dropdown fields (see corresponding ticket for more information)

3. Run tests top ensure no regressions

make run-tests