room-preview: Replace "alias" with "address" in string

For consistency with other places, where we only mention a room address.

src/components/dialogs/room_preview.blp

@@ -67,7 +67,7 @@ template $RoomPreviewDialog: $ToastableDialog {
                 wrap-mode: word_char;
                 justify: center;
                 use-markup: true;
-                label: _("Enter a room ID, room alias, or link to look up a room");
+                label: _("Enter an address or link to look up a room");
 
                 styles [
                   "body",