dev/core#830 Expose cancel_reason field by cleaning up the cancel template to use entity field template

[eileenmcnaughton]

Overview

Add cancel reason field to form to cancel recurring contributions

Before

As seen by a back-office user

After

As seen by a back-office user

As seen by a 'self service' user - ie someone without edit contributions permission

Exposed on view form

Technical Details

Needed #13993 to be merged first

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@mattwire I think this will conclude this round of cleanup on the recurring forms for me - we now have a shared parent for the 3 forms using the entity form. Ideally more of that subscription wrangling would be moved to the shared parent in a later round but this takes us forwards in terms of code quality / use of metadata.

I'm going to look a bit more at the search side of it though before closing this piece of work

[civibot]

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[eileenmcnaughton]

@mattwire can you take a look at this one?

[eileenmcnaughton]

@mattwire thoughts on this?

[mattwire]

Tested and I'm happy with this

[eileenmcnaughton]

@mattwire yay!