Add ability to turn off "Scale symbols" to default options.

Idea created by beelady1 on Sep 29, 2017

    Rarely do I need - or want - the “Scale symbols when a reference scale is set” turned on under the Display tab on the Properties menu for a layer.  Also, when I post a map to AGOL, which I do frequently, when this option is turned on, the symbology often is invisible in the published map.  Rather frustrating, as one then must go back and change each layer's property to turn "Scale symbols" off, and republish.  As we can set and have persist in future mxds the option to, for instance, not have added layers visible in an mxd, make this option be one I can choose to have automatically turned off for all layers.  Thanks.