Bug 138838 [Regression]Localization can't be set
Steps to reproduce: 1.New a report, add a Resource file "a.properties" for it 2.Add a label, select it, switch to property editor 3.Choose Localization, set key to "a", value to "actuate", add them to the resource file. 4.Select the key and value, click "OK" Expected result: "a=acutate" is added to the resource file and display text of lable is "actuate" Actual result: Read-Only File Encountered: File "XX\XX\a.properties_en_US.properties" is read-only, please make sure it can be written first. Note: the path for the resource file in the exception(XX\XX\a.properties_en_US.properties) is not the resource folder but the current workspace
UI/org.eclipse.birt.report.designer.ui.lib.explorer/src/org/eclipse/birt/report/designer/ui/lib/explorer/LibraryExplorerView.java
{
	/**
	 * the ID
	 */
	public static final String ID = "org.eclipse.birt.report.designer.ui.lib.explorer.view"; 
	private String defaultText = Messages.getString( "LibraryExplorerView.defaultText.notAvailable" ); 
	private LibraryExplorerTreeViewPage treeViewPage;
	/**
	 * default constructor
	 */
	public LibraryExplorerView( )