Fix mouse up event for imgui based widgets

Signed-off-by: falkTX <falktx@falktx.com>

plugins/Cardinal/src/ImGuiWidget.cpp

@@ -270,16 +270,12 @@ void ImGuiWidget::onDragHover(const DragHoverEvent& e)
     }
 }
 
-void ImGuiWidget::onDragLeave(const DragLeaveEvent& e)
+void ImGuiWidget::onDragEnd(const DragEndEvent& e)
 {
     ImGui::SetCurrentContext(imData->context);
 
-    // FIXME this is not the correct event..
     ImGuiIO& io(ImGui::GetIO());
     io.MouseDown[0] = io.MouseDown[1] = io.MouseDown[2] = false;
-
-    if (io.WantCaptureMouse)
-        e.consume(this);
 }
 
 void ImGuiWidget::onHoverScroll(const HoverScrollEvent& e)

plugins/Cardinal/src/ImGuiWidget.hpp

@@ -34,7 +34,7 @@ protected:
     void onContextDestroy(const ContextDestroyEvent& e) override;
     void onHover(const HoverEvent& e) override;
     void onDragHover(const DragHoverEvent& e) override;
-    void onDragLeave(const DragLeaveEvent& e) override;
+    void onDragEnd(const DragEndEvent& e) override;
     void onHoverScroll(const HoverScrollEvent& e) override;
     void onButton(const ButtonEvent& e) override;
     void onSelectKey(const SelectKeyEvent& e) override;