Expose power level setting for widgets

Fixes https://github.com/vector-im/riot-web/issues/4866

Signed-off-by: Travis Ralston <travpc@gmail.com>

src/i18n/strings/en_EN.json

@@ -838,6 +838,7 @@
     "To change the room's history visibility, you must be a": "To change the room's history visibility, you must be a",
     "To change the permissions in the room, you must be a": "To change the permissions in the room, you must be a",
     "To change the topic, you must be a": "To change the topic, you must be a",
+    "To modify widgets in the room, you must be a": "To modify widgets in the room, you must be a",
     "Error whilst fetching joined groups": "Error whilst fetching joined groups",
     "Featured Users:": "Featured Users:",
     "Edit Group": "Edit Group",

src/i18n/strings/en_US.json

@@ -662,6 +662,7 @@
     "To change the room's history visibility, you must be a": "To change the room's history visibility, you must be a",
     "To change the permissions in the room, you must be a": "To change the permissions in the room, you must be a",
     "To change the topic, you must be a": "To change the topic, you must be a",
+    "To modify widgets in the room, you must be a": "To modify widgets in the room, you must be a",
     "This Home Server would like to make sure you are not a robot": "This Home Server would like to make sure you are not a robot",
     "Sign in with CAS": "Sign in with CAS",
     "Custom Server Options": "Custom Server Options",