Allow autocorrection in textbox (#2730)

* remove autocorrect=off attribute from textbox, allowing word suggestion in android keyboards

* autocomplete attribute is also involved for this keyboard feature

webapp/components/textbox.jsx

@@ -187,8 +187,6 @@ export default class Textbox extends React.Component {
                     className={`form-control custom-textarea ${this.state.connection}`}
                     type='textarea'
                     spellCheck='true'
-                    autoComplete='off'
-                    autoCorrect='off'
                     maxLength={Constants.MAX_POST_LEN}
                     placeholder={this.props.createMessage}
                     value={this.props.messageText}