Notifications, sending emails with multiple user avatars in body part

Sending emails with multiple user avatars in body part from multipart request

Reproduced with following scenario:

• 4 users (user_A, user_B, user_C, user_D), each user with a different user Avatar

• Notification scheme set to send notifications over Updates on Test or Pre-Condition issues for a single user (user_A)
• user_A receiving emails on gmail.com (may occur with other providers as well)
• Logged in with user_B and update a Step from a Test Case
  • user_A receives an email (everything ok so far)
• Logged in with user_C and update a Step from a Test Case
  • user_A receives an email with the the avatar from user_B as attachment
• Logged in with user_D and update a Step from a Test Case
  • user_A receives an email with the avatar from user_B and user_C as attachments (see below image)