chore: Use "create!" and "save!" bang methods when not checking the result (#5358)

* Use "create!" when not checking for errors on the result
* Use "save!" when not checking the result

app/services/twitter/direct_message_parser_service.rb

@@ -7,7 +7,7 @@ class Twitter::DirectMessageParserService < Twitter::WebhooksBaseService
     set_inbox
     ensure_contacts
     set_conversation
-    @message = @conversation.messages.create(
+    @message = @conversation.messages.create!(
       content: message_create_data['message_data']['text'],
       account_id: @inbox.account_id,
       inbox_id: @inbox.id,
@@ -30,7 +30,7 @@ class Twitter::DirectMessageParserService < Twitter::WebhooksBaseService
   def save_media_urls(file)
     @message.content_attributes[:media_url] = file['media_url']
     @message.content_attributes[:display_url] = file['display_url']
-    @message.save
+    @message.save!
   end
 
   def direct_message_events_params
@@ -121,6 +121,6 @@ class Twitter::DirectMessageParserService < Twitter::WebhooksBaseService
         content_type: media['type']
       }
     )
-    @message.save
+    @message.save!
   end
 end

app/services/twitter/tweet_parser_service.rb

@@ -80,7 +80,7 @@ class Twitter::TweetParserService < Twitter::WebhooksBaseService
   def create_message
     find_or_create_contact(user)
     set_conversation
-    @conversation.messages.create(
+    @conversation.messages.create!(
       account_id: @inbox.account_id,
       sender: @contact,
       content: tweet_text,