Confirmation view for moderation

[malindap92]

Story covered: FIL-43

• New generic Confirmation View builder
• Attaching Confirmation View to a Role
• Rendering attached Confirmation View as an extra step before the approval
• Handling Confirmation Form Submissions if Confirmation View is of form type
• Displaying all submitted Confirmation Form Submissions in the next steps of the moderation request

[mmoravcik]

I'd love to see some tests covering this development too

[czpython]

Thanks!! 💯 💯