Functionality added to reset button on demo registration page

[ghost]

Functionality added to reset button

Description

Whenever user clicks reset button, it resets all the selections and form fields to default component state for those fields.

Related Issue

Reviewers

@vpn1997

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other

Screenshots (if appropriate):

Checklist:

• My code follows the code style (modified PEP8) of this project.
• I have updated the documentation accordingly.
• The code has been tested locally.

[ghost]

#247 issue fix.