Crash while rotation

[eprikazchikov]

Steps:

• Open WorldEditor
• Create any Actor
• Try to rotate it

Result:
Application crashed 3 of 5 times

[eprikazchikov]

Root cause:
Complex recursion in NextObject.cpp lead to Stack Overflow. setProperty for dynamic properties generates QEvent::DynamicPropertyChange and doesn't blocked by blockSignals.

Solution:
Added signalsBlocked check for QEvent::DynamicPropertyChange event handler