Fixed #12674 / QFQ Function subheader: skip deleted

Documentation/Report.rst

@@ -2016,6 +2016,7 @@ values.
 * The output of a QFQ function is accessible via ``{{_output:R}}``.
 * It is possible to call functions inside of a function.
 * If ``render = api`` is defined in the function, both tt-content records can be saved on the *same* page and won't interfere.
+* FE Groups are not respected - don't use them on QFQ functions.
 
 Example tt-content record for the function::