[TIMOB-25741] iOS:Tableview with custom rows becomes blank on search bar OnFocus

Tableview with custom rows becomes blank on search bar OnFocus *Test Environments:* Appcelerator Command-Line Interface, version 7.0.1 Operating System Mac OS X,Version 10.13.2,Architecture 64bit, CPUs 4,Memory 8.0GB Node.js Version = 8.9.1 npm Version = 5.5.1 Appcelerator CLI 4.2.11 Core Package 7.0.1 Titanium CLI 5.0.14 node-appc Version 0.2.41 Titanium SDK 7.0.1.GA iOS SDK: 11.1-Simulator iPhone X Xcode 9.1,9.2 *Test Code:* *index.js*

$.index.open();

*index.xml*

<Alloy>
	<Window title="TableView Search Issue">
		<TableView filterAttribute="customSearchProp" top="20">
			<SearchBar platform="android,ios"/>
			<TableViewSection>

				<TableViewRow customSearchProp='Row 1'>
					<View height="40">
						<Label text="Row 1"></Label>
					</View>
				</TableViewRow>
				<TableViewRow customSearchProp='Row 3'>
					<View height="40">
						<Label text="Row 2" ></Label>
					</View>
				</TableViewRow>
				<TableViewRow customSearchProp='Row 3'>
					<View height="40">
						<Label text="Row 3"></Label>
					</View>
				</TableViewRow>
			</TableViewSection>
		</TableView>
	</Window>
</Alloy>

*Test Steps:* 1. Create an alloy project 2. Paste the sample code to app folder 3. Run Via simlator 4. Click on searchbar and observe that tableview becomes blank on search bar OnFocus *Output*:[Screenshot| https://s17.postimg.org/ouj2zhgwf/Simulator_Screen_Shot_-_i_Phone_X_-_2018-02-01_at_15.01.03.png]