Adding edit of incoming webhook (#5272)

Adding edit of outgoing webhook
Fixing spelling of error
Fixing style
Changing from PUT to POST for updates
Fixing test failures due to merge

i18n/ko.json

@@ -2684,7 +2684,7 @@
     "translation": "team hub stopping for teamId=%v"
   },
   {
-    "id": "api.webhook.create_incoming.disabled.app_errror",
+    "id": "api.webhook.create_incoming.disabled.app_error",
     "translation": "Incoming webhook은 관리자가 사용할 수 없게 설정했습니다."
   },
   {
@@ -2708,11 +2708,11 @@
     "translation": "Either trigger_words or channel_id must be set"
   },
   {
-    "id": "api.webhook.delete_incoming.disabled.app_errror",
+    "id": "api.webhook.delete_incoming.disabled.app_error",
     "translation": "Incoming webhook은 관리자가 사용할 수 없게 설정했습니다."
   },
   {
-    "id": "api.webhook.delete_incoming.permissions.app_errror",
+    "id": "api.webhook.delete_incoming.permissions.app_error",
     "translation": "Incoming webhook을 삭제할 권한이 없습니다"
   },
   {