STORM-2082 Send signal to pulldown panel to refresh itself

indra/newview/llpanelpresetspulldown.cpp

@@ -150,8 +150,6 @@ void LLPanelPresetsPulldown::onRowClick(const LLSD& user_data)
 				instance->refreshEnabledGraphics();
 			}
 			setVisible(FALSE);
-			// This line shouldn't be necessary but it is.
-			populatePanel();
 		}
 	}
 }

indra/newview/llpresetsmanager.cpp

@@ -242,6 +242,9 @@ void LLPresetsManager::loadPreset(const std::string& subdirectory, const std::st
 	std::string full_path(getPresetsDir(subdirectory) + gDirUtilp->getDirDelimiter() + LLURI::escape(name) + ".xml");
 
 	gSavedSettings.loadFromFile(full_path, false, true);
+
+	// signal interested parties
+	mPresetListChangeSignal();
 }
 
 bool LLPresetsManager::deletePreset(const std::string& subdirectory, const std::string& name)