Removed unnecessary line layout cache invalidation. Fixed problem where wrap needed was moving the last wrapped line forward past lines that were not yet wrapped. Minor improvement to LineLayout to handle lines that only need a single display line which is the majority most of the time.
Removed unnecessary line layout cache invalidation.
Fixed problem where wrap needed was moving the last wrapped line forward
past lines that were not yet wrapped.
Minor improvement to LineLayout to handle lines that only need a single
display line which is the majority most of the time.

keperlia/foo-wsh-panel-mod.scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,keperlia/foo-wsh-panel-mod.scintilla,keperlia/foo-wsh-panel-mod.scintilla,windoze/scintilla,keperlia/foo-wsh-panel-mod.scintilla,keperlia/foo-wsh-panel-mod.scintilla,keperlia/foo-wsh-panel-mod.scintilla,windoze/scintilla