feat(ui): delete title region in CSimpleFrame dtor

src/ui/simple/CSimpleFrame.cpp

@@ -64,13 +64,15 @@ CSimpleFrame::CSimpleFrame(CSimpleFrame* parent) : CScriptRegion() {
 }
 
 CSimpleFrame::~CSimpleFrame() {
-    // TODO
-
     this->m_intAC = 3;
 
     this->m_top->UnregisterFrame(this);
     this->m_top = nullptr;
 
+    if (this->m_titleRegion) {
+        delete this->m_titleRegion;
+    }
+
     // TODO
 }