[Glitch] Change interaction modal input to disable browser spell-checking, capitalization and autocomplete

Port 71fd70335adecfc53c3dd2d57e1483ff60adb530 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/features/interaction_modal/index.jsx

@@ -250,6 +250,9 @@ class LoginForm extends React.PureComponent {
             onFocus={this.handleFocus}
             onBlur={this.handleBlur}
             onKeyDown={this.handleKeyDown}
+            autocomplete='off'
+            autocapitalize='off'
+            spellcheck='false'
           />
 
           <Button onClick={this.handleSubmit} disabled={isSubmitting}><FormattedMessage id='interaction_modal.login.action' defaultMessage='Take me home' /></Button>