rn: fix streaming key input color

react/features/recording/components/LiveStream/native/StreamKeyForm.js

                     onChangeText = { this._onInputChange }
                     placeholder = { t('liveStreaming.enterStreamKey') }
                     placeholderTextColor = { PLACEHOLDER_COLOR }
-                    style = { styles.streamKeyInput }
+                    style = { [
+                        _dialogStyles.text,
+                        styles.streamKeyInput
+                    ] }
                     value = { this.props.value } />
                 <View style = { styles.formFooter }>
                     {

react/features/recording/components/LiveStream/native/styles.js

         alignSelf: 'stretch',
         borderColor: ColorPalette.lightGrey,
         borderBottomWidth: 1,
-        color: ColorPalette.white,
+        fontSize: 14,
         height: 40,
-        marginBottom: 5
+        marginBottom: 5,
+        textAlign: 'left'
     },
 
     /**