Spectator - Do not use DISPLAY macro

[veteran29]

When merged this pull request will:

• title

For some reason the DISPLAY macro is replaced with nothing by arma. Does not seem to be an issue in release as HEMTT does the preprocessing for sqfc. IDK why it seems to be fine for other macros in the file.

23:20:06 Error in expression <lElements = ["TreeGetAllElements"] call ;
private _groupElements = _allElements >
23:20:06   Error position: <;
private _groupElements = _allElements >
23:20:06   Error Invalid number in expression
23:20:06 File z\afm\addons\spectator\functions\RscDisplayEGSpectator.sqf..., line 92