GRN-11: Ability to configure room specific settings (#348)

* Added the ability to set room settings on create or update

* Added room settings alerts and made fixes to other alerts

* Small bug fixes related to rubocop and the create room modal

* Update test case and fixed issue with small edge case

* Update room.js

app/models/room.rb

@@ -52,6 +52,7 @@ class Room < ApplicationRecord
       moderatorPW: random_password(12),
       attendeePW: random_password(12),
       moderatorOnlyMessage: options[:moderator_message],
+      muteOnStart: options[:mute_on_start] || false,
       "meta_#{META_LISTED}": false,
     }
 
@@ -93,6 +94,7 @@ class Room < ApplicationRecord
     # Generate the join URL.
     join_opts = {}
     join_opts[:userID] = uid if uid
+    join_opts[:joinViaHtml5] = options[:join_via_html5] if options[:join_via_html5]
 
     bbb.join_meeting_url(bbb_id, name, password, join_opts)
   end