MM-8853: Adding MANAGE_EMOJIS and MANAGE_OTHERS_EMOJIS permissions (#8860)

* MM-8853: Adding MANAGE_EMOJIS and MANAGE_OTHERS_EMOJIS permissions

* MM-8853: Removing unnecesary emoji enterprise feature

* Create emojis migration

* Adding MANAGE_EMOJIS and MANAGE_OTHERS_EMOJIS always to system admins

* Simplifing permissions checks

* Revert "Simplifing permissions checks"

This reverts commit e2cafc1905fc9e20125dd9a1552d2d0c7340ae59.

api4/role.go

@@ -100,6 +100,7 @@ func patchRole(c *Context, w http.ResponseWriter, r *http.Request) {
 			model.PERMISSION_MANAGE_SLASH_COMMANDS.Id,
 			model.PERMISSION_MANAGE_OAUTH.Id,
 			model.PERMISSION_MANAGE_SYSTEM_WIDE_OAUTH.Id,
+			model.PERMISSION_MANAGE_EMOJIS.Id,
 		}
 
 		changedPermissions := model.PermissionsChangedByPatch(oldRole, patch)