input 'blur' handler clears suggestions too often

[jwasilgeo]

The 'blur' event handler for this._input is not appropriate for all user actions when interacting with the suggestions-related nodes.

this.clear() is being called, when it should not be, if the user tries to interact with the suggestions scrollbar or clicks on another non-suggestion item (such as a suggestion provider header).

See more here:

esri-leaflet-geocoder/src/Controls/Geosearch.js

Lines 287 to 291 in 298916c

	DomEvent.addListener(this._input, 'blur', function (e) {
	// TODO: this is too greedy and should not "clear"
	// when trying to use the scrollbar or clicking on a non-suggestion item (such as a provider header)
	this.clear();
	}, this);