Updates field-text dependency version and add autofocus prop.

package.json

     "@atlaskit/button": "1.0.3",
     "@atlaskit/button-group": "1.0.0",
     "@atlaskit/dropdown-menu": "1.4.0",
-    "@atlaskit/field-text": "2.0.3",
+    "@atlaskit/field-text": "2.7.0",
     "@atlaskit/icon": "6.0.0",
     "@atlaskit/modal-dialog": "1.2.4",
     "@atlaskit/tabs": "1.2.5",

react/features/room-lock/components/PasswordRequiredPrompt.web.js

         return (
             <div>
                 <AKFieldText
+                    autoFocus = { true }
                     compact = { true }
                     label = { this.props.t('dialog.passwordLabel') }
                     name = 'lockKey'