fix(client/zones): prevent malformed polyzone deadlock with debug

Temp workaround.

imports/zones/client.lua

@@ -85,6 +85,8 @@ local function getTriangles(polygon)
 
             return triangles
         end
+
+        Wait(0)
     end
 
     return triangles
@@ -330,8 +332,12 @@ lib.zones = {
         data.contains = contains
 
         if data.debug then
+            data.debug = nil
+
+            CreateThread(function()
                 data.triangles = getTriangles(data.polygon)
                 data.debug = debugPoly
+            end)
         end
 
         Zones[data.id] = data