ticket: Add the field name to the template data when rendering a ticket diff, for plugins post-processing the stream.
ticket: Add the field name to the template data when rendering a ticket diff, for plugins post-processing the stream.

Closes #9290.


git-svn-id: f68c6b3b1dcd5d00a2560c384475aaef3bc99487@9622 af82e41b-90c4-0310-8c96-b1721e28e2e2

moreati/trac-gitsvn,moreati/trac-gitsvn,exocad/exotrac,exocad/exotrac,moreati/trac-gitsvn,exocad/exotrac,dafrito/trac-mirror,dafrito/trac-mirror,moreati/trac-gitsvn,dafrito/trac-mirror,dafrito/trac-mirror,exocad/exotrac