Avoids returning an error if sharing a direct channel fails after its creation (#26895)

* Avoids returning an error if sharing a direct channel fails after its creation

* Update logline to use snake-case

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Co-authored-by: Mattermost Build <build@mattermost.com>

server/i18n/en.json

@@ -6478,10 +6478,6 @@
     "id": "app.session.update_device_id.app_error",
     "translation": "Unable to update the device id."
   },
-  {
-    "id": "app.sharedchannel.dm_channel_creation.internal_error",
-    "translation": "Encountered an error while creating a direct shared channel."
-  },
   {
     "id": "app.status.get.app_error",
     "translation": "Encountered an error retrieving the status."