Fix game mode camera components not working in-Editor

Ensures RPI::View updates always make it back to the ViewportContext, even if you talk directly to the View

Gems/Atom/RPI/Code/Source/RPI.Public/View.cpp

@@ -104,6 +104,9 @@ namespace AZ
             m_worldToClipMatrix = m_viewToClipMatrix * m_worldToViewMatrix;
             m_worldToClipMatrixChanged = true;
 
+            m_onWorldToViewMatrixChange.Signal(m_worldToViewMatrix);
+            m_oWworldToClipMatrixChange.Signal(m_worldToClipMatrix);
+
             InvalidateSrg();
         }
 
@@ -132,6 +135,9 @@ namespace AZ
             m_clipToWorldMatrix = m_viewToWorldMatrix * m_clipToViewMatrix;
             m_worldToClipMatrixChanged = true;
 
+            m_onWorldToViewMatrixChange.Signal(m_worldToViewMatrix);
+            m_oWworldToClipMatrixChange.Signal(m_worldToClipMatrix);
+
             InvalidateSrg();
         }        
 
@@ -166,6 +172,8 @@ namespace AZ
             m_unprojectionConstants.SetZ(float(-tanHalfFovX));
             m_unprojectionConstants.SetW(float(tanHalfFovY));
 
+            m_oWworldToClipMatrixChange.Signal(m_worldToClipMatrix);
+
             InvalidateSrg();
         }
 
@@ -225,6 +233,16 @@ namespace AZ
             passWithDrawListTag->SortDrawList(drawList);
         }
 
+        void View::ConnectWorldToViewMatrixChangedHandler(View::MatrixChangedEvent::Handler& handler)
+        {
+            handler.Connect(m_onWorldToViewMatrixChange);
+        }
+
+        void View::ConnectWorldToClipMatrixChangedHandler(View::MatrixChangedEvent::Handler& handler)
+        {
+            handler.Connect(m_oWworldToClipMatrixChange);
+        }
+
         // [GFX TODO] This function needs unit tests and might need to be reworked 
         RHI::DrawItemSortKey View::GetSortKeyForPosition(const Vector3& positionInWorld) const
         {