Validate presence of essential params for diff rendering

What does this MR do?

Check the presence of essential params before rendering diff content.

Are there points in the code the reviewer needs to double check?

No

Why was this MR needed?

To avoid the generated application error

What are the relevant issue numbers?

#19096 (closed)

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together