Change editor viewport mdoe tracker id from viewport to entity context.

Signed-off-by: John <jonawals@amazon.com>

Code/Framework/AzToolsFramework/AzToolsFramework/ComponentMode/ComponentModeCollection.cpp

@@ -218,7 +218,7 @@ namespace AzToolsFramework
             // this call to activate the component mode editor state should eventually replace the bus call in
             // ComponentModeCollection::BeginComponentMode() to EditorComponentModeNotifications::EnteredComponentMode
             // such that all of the notifications for activating/deactivating the different editor modes are in a central location
-            m_viewportEditorModeTracker->ActivateMode({ /* DefaultViewportId */ }, ViewportEditorMode::Component);
+            m_viewportEditorModeTracker->ActivateMode({ GetEntityContextId() }, ViewportEditorMode::Component);
 
             // enable actions for the first/primary ComponentMode
             // note: if multiple ComponentModes are activated at the same time, actions
@@ -296,7 +296,7 @@ namespace AzToolsFramework
             // this call to deactivate the component mode editor state should eventually replace the bus call in
             // ComponentModeCollection::EndComponentMode() to EditorComponentModeNotifications::LeftComponentMode
             // such that all of the notifications for activating/deactivating the different editor modes are in a central location
-            m_viewportEditorModeTracker->DeactivateMode({ /* DefaultViewportId */ }, ViewportEditorMode::Component);
+            m_viewportEditorModeTracker->DeactivateMode({ GetEntityContextId() }, ViewportEditorMode::Component);
 
             // clear stored modes and builders for this ComponentMode
             // TLDR: avoid 'use after free' error