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/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
{
				updateButtons( );
			}
		} );
		Composite innerComp = new Composite( inputArea, SWT.NONE );
		innerComp.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_END ) );
		if ( selectedType == BLOB_TYPE )
		{
			innerComp.setLayout( new GridLayout( 3, false ) );
			title.setText( Messages.getString( "ImageBuilder.Label.EnterExpr" ) ); 
		}
		else
		{
			innerComp.setLayout( new GridLayout( 3, false ) );
			title.setText( DLG_ENTER_URI_LABEL );
			Button inputButton = new Button( innerComp, SWT.PUSH );
			inputButton.setText( Messages.getString( "ImageBuilder.ButtonBrowser" ) ); 
			inputButton.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_END ) );
			inputButton.addSelectionListener( new SelectionAdapter( ) {
				public void widgetSelected( SelectionEvent event )
				{
					openResourceBrowser( );
				}
			} );
		}
		Button inputButton = new Button( innerComp, SWT.PUSH );
		inputButton.setText( Messages.getString( "ImageBuilder.Label.Open" ) ); 
		inputButton.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_END ) );
		inputButton.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent event )