Redundant notifications [SCI-9788]

app/controllers/my_modules_controller.rb

@@ -534,6 +534,8 @@ class MyModulesController < ApplicationController
     users = User.where(id: params[:my_module][:user_ids])
 
     users.each do |user|
+      next if current_user.id == user.id
+
       log_activity(:designate_user_to_my_module, @my_module, { user_target: user.id })
     end
   end

app/models/user_my_module.rb

@@ -9,6 +9,8 @@ class UserMyModule < ApplicationRecord
   belongs_to :my_module, inverse_of: :user_my_modules, touch: true
 
   def log_activity(type_of, current_user)
+    return if current_user == user
+
     Activities::CreateActivityService
       .call(activity_type: type_of,
             owner: current_user,