FE: Editing an existing filter doesn't have the CEL syntax help info available

[Haarolean]

When creating a filter there's quick info on CEL filters available when clicking on the question mark button:

But one is missing when editing an existing filter:

TODO:

• add the same button for filter editing modal

[pisal-shubham]

Hello @Haarolean I will like to work on this issue. Can you please assign it to me ?