* implemented all select option FilterDropdownEntitySearchSelect and enabled it for tasks page filter
* created new filter operand IsNotNull for make a select all qraphql query, added internal state for tracking isAllEntitySelected
* used filterCurrentlyEdited to track if isAllEntitySelected is selected
* fixed filter button icon SelectAll Icon
* implented add/remove favorite in context menu
* clear selected rows after favorite button click, context menu width 200px when remove from favorites is shown
* Update front/src/modules/ui/context-menu/components/ContextMenu.tsx