Spectator - Add display loaded and unloaded events (#7720)

addons/spectator/functions/fnc_ui_handleLoad.sqf

@@ -19,6 +19,8 @@ params ["_display"];
 
 uiNamespace setVariable [QGVAR(display), _display];
 
+[QGVAR(displayLoaded), _display] call CBA_fnc_localEvent;
+
 // Handle ACRE2 Toggle Spectator (if present)
 if (!isNil "acre_api_fnc_addDisplayPassthroughKeys") then {
     [_display] call acre_api_fnc_addDisplayPassthroughKeys;

addons/spectator/functions/fnc_ui_handleUnload.sqf

@@ -0,0 +1,20 @@
+#include "script_component.hpp"
+/*
+ * Author: mharis001
+ * Function used to handle unload event.
+ *
+ * Arguments:
+ * 0: Spectator display <DISPLAY>
+ *
+ * Return Value:
+ * None
+ *
+ * Example:
+ * _this call ace_spectator_fnc_ui_handleUnload
+ *
+ * Public: No
+ */
+
+params ["_display"];
+
+[QGVAR(displayUnloaded), _display] call CBA_fnc_localEvent;