[[ Bug 11817 ]] Allow paragraph to trigger redraw of field  conditionally on change of the number of lines
Merge branch 'bugfix-11817_develop' of https://github.com/runrevali/livecode into bugfix-11817_refactor

Conflicts:
	engine/src/fields.cpp
	engine/src/paragraf.cpp
[[ Bug 11817 ]] Do not recalculate all when setting text styles