Resolve "Feedback pages don't have equal sizes"

What does this mr do?

Fix feedback pages having unequal sizes.

Actions taken to fix bug

Filter empty feedbacks when creating Page object

Does this MR meet the acceptance criteria?

• I have added a changelog entry to reflect the significant changes I made and the bug I fixed.
• A test was created to test the bug.
• I have updated the documentation accordingly.
• I adhere to the style guide.