[bp/r50486][ENH] maps: Allow forms and features to set custom popup bubble size (implementation in map plugin to come)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@51135 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] maps: Allow map plugin searchlayers to set custom popup bubble size (per layer)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@51136 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] maps: Allow forms, searchlayers and features to set popup size on dialog type popups

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@51137 b456876b-0849-0410-b77d-98878d47e9d5