Yegor Stepanov

feat(behaviours): Layer Locking (&llck/&layer_lock) behaviour

2

This PR implements the layer locking behaviour (`&llck` / `&layer_lock`) that allows to lock currently active layer(s). It is possible to lock multiple activated layers at once, which allows this...

Add searchable menus with recursive filtering

9

### Description: This addresses #1648, adding the ability to recursively search the menu items Usage example: ``` package main import ( "fyne.io/fyne/v2" "fyne.io/fyne/v2/app" "fyne.io/fyne/v2/container" "fyne.io/fyne/v2/widget" ) func main() { myApp...