Catch errors adding widget

Author: dbkr

src/ScalarMessaging.js

@@ -404,6 +404,8 @@ function setWidget(event, roomId) {
             });
 
             dis.dispatch({ action: "user_widget_updated" });
+        }).catch((e) => {
+            sendError(event, _t('Error adding widget'));
         });
     } else { // Room widget
         if (!roomId) {

src/i18n/strings/en_EN.json

@@ -103,6 +103,7 @@
     "You need to be logged in.": "You need to be logged in.",
     "You need to be able to invite users to do that.": "You need to be able to invite users to do that.",
     "Unable to create widget.": "Unable to create widget.",
+    "Error adding widget": "Error adding widget",
     "Missing roomId.": "Missing roomId.",
     "Failed to send request.": "Failed to send request.",
     "This room is not recognised.": "This room is not recognised.",
@@ -190,7 +191,6 @@
     "Message Replies": "Message Replies",
     "Message Pinning": "Message Pinning",
     "Tag Panel": "Tag Panel",
-    "Sticker Messages": "Sticker Messages",
     "Disable Emoji suggestions while typing": "Disable Emoji suggestions while typing",
     "Use compact timeline layout": "Use compact timeline layout",
     "Hide removed messages": "Hide removed messages",
@@ -566,8 +566,6 @@
     "Download %(text)s": "Download %(text)s",
     "Invalid file%(extra)s": "Invalid file%(extra)s",
     "Error decrypting image": "Error decrypting image",
-    "This image cannot be displayed.": "This image cannot be displayed.",
-    "Image '%(Body)s' cannot be displayed.": "Image '%(Body)s' cannot be displayed.",
     "Error decrypting video": "Error decrypting video",
     "%(senderDisplayName)s changed the avatar for %(roomName)s": "%(senderDisplayName)s changed the avatar for %(roomName)s",
     "%(senderDisplayName)s removed the room avatar.": "%(senderDisplayName)s removed the room avatar.",
@@ -815,8 +813,8 @@
     "Encryption key request": "Encryption key request",
     "Sign out": "Sign out",
     "Log out and remove encryption keys?": "Log out and remove encryption keys?",
-    "Send Logs": "Send Logs",
     "Clear Storage and Sign Out": "Clear Storage and Sign Out",
+    "Send Logs": "Send Logs",
     "Refresh": "Refresh",
     "Unable to restore session": "Unable to restore session",
     "We encountered an error trying to restore your previous session.": "We encountered an error trying to restore your previous session.",