[DF-5016] Fixed calculating of visible area
[DF-5027] LogWidget speed optimization

Conflicts:
	Tools/ResourceEditor/Classes/Qt/DockConsole/LogWidget.cpp
Merge branch 're_stable' into development

Conflicts:
	Tools/ResourceEditor/Classes/Qt/DockConsole/LogWidget.cpp
	Tools/ResourceEditor/Classes/Qt/DockConsole/LogWidget.h