Why in grid component options sortBy and sortDir are used only if grouping is set?
It is written in _loadStore function
https://github.com/modxcms/revolution/blob/2.x/manager/assets/modext/widgets/core/modx.grid.js
sortBy and sortDir are applied only for Ext.data.GroupingStore but not for Ext.data.JsonStore
But in RTFM it's not said that there are particular conditions when these options may be applied.
https://rtfm.modx.com/revolution/2.x/developing-in-modx/advanced-development/custom-manager-pages/modext/modx.grid.grid
Is there a way to set initial sort at grid initialization
before call for superclass constructor without patching manager core JS?
