Fix viewport context menu hiding cursor and sometimes popping up repeatedly

Code/Framework/AzToolsFramework/AzToolsFramework/Viewport/EditorContextMenu.cpp

@@ -65,7 +65,7 @@ namespace AzToolsFramework
 
                 if (!contextMenu.m_menu->isEmpty())
                 {
-                    contextMenu.m_menu->popup(QCursor::pos());
+                    contextMenu.m_menu->exec(QCursor::pos());
                 }
             }
         }

Code/Sandbox/Editor/LegacyViewportCameraController.cpp

@@ -342,7 +342,6 @@ bool LegacyViewportCameraControllerInstance::HandleInputChannelEvent(const AzFra
                 m_inRotateMode = true;
             }
 
-            shouldConsumeEvent = true;
             shouldCaptureCursor = true;
         }
         else if (state == InputChannel::State::Ended)

Code/Sandbox/Editor/ViewportManipulatorController.cpp

@@ -21,8 +21,8 @@
 
 #include <QApplication>
 
-static const auto ManipulatorPriority = AzFramework::ViewportControllerPriority::Highest;
-static const auto InteractionPriority = AzFramework::ViewportControllerPriority::High;
+static const auto ManipulatorPriority = AzFramework::ViewportControllerPriority::High;
+static const auto InteractionPriority = AzFramework::ViewportControllerPriority::Low;
 
 namespace SandboxEditor
 {