Bug 182053 [Automation][Regression] Visibility does not work properly in html and viewer
steps to reproduce: - create a report - add any report item - hide this report item in pdf - preview in html and viewer expected behavior: - this report item should be shown actual behavior: - this report item was not shown
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/emitter/ContentEmitterUtil.java
{
			if ( vformat.toLowerCase( ).indexOf(
					emitter.getOutputFormat( ).toLowerCase( ) ) > 0
					|| vformat.toLowerCase( ).indexOf( "all" ) > 0 )
			{
				starter.visit( content, emitter );
			}
		}
	}
	static public void endContent( IContent content, IContentEmitter emitter )
	{
        String vformat = content.getStyle( ).getVisibleFormat( );
		
        String format = emitter.getOutputFormat( );
		if ( vformat == null )
		{
			ender.visit( content, emitter );
		}
		else
		{
			if ( vformat.toLowerCase( ).indexOf(
					emitter.getOutputFormat( ).toLowerCase( ) ) > 0
					|| vformat.toLowerCase( ).indexOf( "all" ) > 0 )
			{
				ender.visit( content, emitter );
			}
		}
		
	}
	private static class StartContentVisitor implements IContentVisitor