Question
Why does the "quick edit mode" disappear when we add the List Filter Plus Web Part?
Answer
To be able to fix this issue, you will need to follow the steps below:
1. Go to “Edit Page”.
2. On the "List Filter Plus Web Part," go to the “Edit Web Part”, and “Modify Web Part Settings”.
3. On the “Display Options” tab, remove the check mark from the “Server Render” check box (see the screenshot below).
4.
4. Save the properties.
5. Go to the “Edit Web Part”, on the list "view web part".
6. On “Miscellaneous” section, remove the check mark from the “Server Render” check box (see the screenshot below).

7. Save the settings.
Now you should be able to see Quick edit.