Fix the boolean editor, and warn the user if there are unsaved changed in the edit grid before refreshing.

web/pgadmin/static/js/slickgrid/slick.pgadmin.formatters.js

@@ -10,7 +10,8 @@
   $.extend(true, window, {
     "Slick": {
       "Formatters": {
-        "JsonString": JsonFormatter
+        "JsonString": JsonFormatter,
+        "Checkmark": CheckmarkFormatter
       }
     }
   });
@@ -28,4 +29,8 @@
     }
   }
 
+  function CheckmarkFormatter(row, cell, value, columnDef, dataContext) {
+    return value ? "true" : "false";
+  }
+
 })(jQuery);