Keep gem repos pages in sync

Signed-off-by: Alex Peterson <26804013+AMZN-alexpete@users.noreply.github.com>

Code/Tools/ProjectManager/Source/GemRepo/GemRepoScreen.h

@@ -38,6 +38,8 @@ namespace O3DE::ProjectManager
 
         GemRepoModel* GetGemRepoModel() const { return m_gemRepoModel; }
 
+        void NotifyCurrentScreen() override;
+
     signals:
         void OnRefresh();
 
@@ -47,6 +49,7 @@ namespace O3DE::ProjectManager
         void HandleRefreshAllButton();
         void HandleRefreshRepoButton(const QModelIndex& modelIndex);
 
+
     private:
         void FillModel();
         QFrame* CreateNoReposContent();