Update layout for the "New DAST scan" page

Proposal

Copy changes

• Update heading from "New on-demand DAST scan" to New on-demand scan"
• Update the button text "Manage DAST Scans" to "Manage Scans"

Layout changes

• Add two column layout
• Add scan type option with default option as DAST
• Move "schedule scan" use toggle instead of checkbox

Design

#351476[On-demand_scans_-_new_scan.png]

before	after