[MM-22206] Add PATCH channel moderations (PUT /moderations/patch) (#13845)

* MM-22205 Add get channel moderations endpoint

* MM-22206 Add patch channel moderations endpoint

Add api tests for patch channel moderations

* MM-22205 Ensure ordered permissions returned and create struct ChannelModeratedRoles

* MM-22206 Use structs instead of map

* MM-22206 Add test cases for GetChannelModeratedPermissions

* MM-22206 Add tests for ChannelModeratedPermissionsChangedByPatch

* MM-22206 Use NewBool instead of defining booleans

* MM-22206 Tie Channel Mentions to Create Posts when building Channel Moderations

* Revert "MM-22206 Tie Channel Mentions to Create Posts when building Channel Moderations"

This reverts commit a0bfc95f1732955c5ef5fc3e4b05ea8ab954acea.

* MM-22206 Review changes

Modify GetSchemeRolesForChannel to return named variables
Change calls to SessionHasPermissionToChannel to SessionHasPermissionTo
Add a CreateChannelScheme method
Add a DeleteChannelScheme method
Move GetChannelModeratedPermissions to Role model

* Fix lint

* Add ChannelModeration methods to App interface

* MM-22206 Rename method to GetTeamSchemeChannelRoles

* MM-22206 Check CHANNEL_MODERATED_PERMISSIONS_MAP for existing permission before iterating through it

* Modify wording to higherScoped to match #13813

* MM-22206 Delete channel scheme between tests

* MM-22206 Fix tests

* Actually patch role

* MM-22206 Shadow declaration of err

i18n/en.json

@@ -299,6 +299,10 @@
     "id": "api.channel.delete_channel.type.invalid",
     "translation": "Unable to delete direct or group message channels"
   },
+  {
+    "id": "api.channel.get_channel_moderations.license.error",
+    "translation": "Your license does not support channel moderation"
+  },
   {
     "id": "api.channel.guest_join_channel.post_and_forget",
     "translation": "%v joined the channel as guest."
@@ -327,6 +331,10 @@
     "id": "api.channel.leave.left",
     "translation": "%v left the channel."
   },
+  {
+    "id": "api.channel.patch_channel_moderations.license.error",
+    "translation": "Your license does not support channel moderation"
+  },
   {
     "id": "api.channel.patch_update_channel.forbidden.app_error",
     "translation": "Failed to update the channel."