Update logging for unmanaged widgets, and add TODO comments for other areas

Just a minor thing that is bothersome. Renaming classes and functions is a bit more of an impact than is worth right now, so have settled for littering TODO comments all over the place.

src/ScalarAuthClient.js

@@ -27,6 +27,8 @@ import SdkConfig from "./SdkConfig";
 // The version of the integration manager API we're intending to work with
 const imApiVersion = "1.1";
 
+// TODO: Generify the name of this class and all components within - it's not just for Scalar.
+
 export default class ScalarAuthClient {
     constructor(apiUrl, uiUrl) {
         this.apiUrl = apiUrl;

src/ScalarMessaging.js

@@ -16,6 +16,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+// TODO: Generify the name of this and all components within - it's not just for scalar.
+
 /*
 Listens for incoming postMessage requests from the integrations UI URL. The following API is exposed:
 {

src/components/views/elements/AppTile.js

@@ -188,13 +188,14 @@ export default class AppTile extends React.Component {
         }
     }
 
+    // TODO: Generify the name of this function. It's not just scalar tokens.
     /**
      * Adds a scalar token to the widget URL, if required
      * Component initialisation is only complete when this function has resolved
      */
     setScalarToken() {
         if (!WidgetUtils.isScalarUrl(this.props.app.url)) {
-            console.warn('Non-scalar widget, not setting scalar token!', url);
+            console.warn('Widget does not match integration manager, refusing to set auth token', url);
             this.setState({
                 error: null,
                 widgetUrl: this._addWurlParams(this.props.app.url),
@@ -218,7 +219,7 @@ export default class AppTile extends React.Component {
 
         const defaultManager = managers.getPrimaryManager();
         if (!WidgetUtils.isScalarUrl(defaultManager.apiUrl)) {
-            console.warn('Non-scalar manager, not setting scalar token!', url);
+            console.warn('Unknown integration manager, refusing to set auth token', url);
             this.setState({
                 error: null,
                 widgetUrl: this._addWurlParams(this.props.app.url),

src/utils/WidgetUtils.js

@@ -72,6 +72,7 @@ export default class WidgetUtils {
         return room.currentState.maySendStateEvent('im.vector.modular.widgets', me);
     }
 
+    // TODO: Generify the name of this function. It's not just scalar.
     /**
      * Returns true if specified url is a scalar URL, typically https://scalar.vector.im/api
      * @param  {[type]}  testUrlString URL to check