Tabs are shown gray background when tab focused, Reworked ProjectsScreen to reuse Widgets instead of recreating it on each update, Sorting projects alphabetically

Signed-off-by: nggieber <nggieber@amazon.com>

Code/Tools/ProjectManager/Source/ProjectBuilderController.cpp

@@ -52,6 +52,7 @@ namespace O3DE::ProjectManager
 
         if (projectButton)
         {
+            projectButton->SetProjectBuilding();
             projectButton->SetProjectButtonAction(tr("Cancel Build"), [this] { HandleCancel(); });
 
             if (m_lastProgress != 0)
@@ -111,6 +112,10 @@ namespace O3DE::ProjectManager
             emit Done(false);
             return;
         }
+        else
+        {
+            m_projectInfo.m_buildFailed = false;
+        }
 
         emit Done(true);
     }