[IMPROVEMENT] Use FastImage on custom emojis (#1195)

* Use fastImage to custom emojis

* Add Text component on Paragraph render

app/containers/EmojiPicker/CustomEmoji.js

@@ -1,5 +1,5 @@
 import React from 'react';
-import { Image } from 'react-native';
+import FastImage from 'react-native-fast-image';
 import PropTypes from 'prop-types';
 
 export default class CustomEmoji extends React.Component {
@@ -16,9 +16,13 @@ export default class CustomEmoji extends React.Component {
 	render() {
 		const { baseUrl, emoji, style } = this.props;
 		return (
-			<Image
+			<FastImage
 				style={style}
-				source={{ uri: `${ baseUrl }/emoji-custom/${ encodeURIComponent(emoji.content || emoji.name) }.${ emoji.extension }` }}
+				source={{
+					uri: `${ baseUrl }/emoji-custom/${ encodeURIComponent(emoji.content || emoji.name) }.${ emoji.extension }`,
+					priority: FastImage.priority.high
+				}}
+				resizeMode={FastImage.resizeMode.contain}
 			/>
 		);
 	}

app/containers/markdown/index.js

@@ -162,7 +162,9 @@ export default class Markdown extends PureComponent {
 		}
 		return (
 			<View style={styles.block}>
+				<Text>
 					{children}
+				</Text>
 			</View>
 		);
 	};