Fix local launch on mac (#1118)

Author: Paul Balaji

workers/unity/Packages/io.improbable.gdk.tools/LocalLaunch.cs

@@ -212,7 +212,12 @@ public static void LaunchLocalDeployment()
             GdkToolsConfiguration toolsConfig = GdkToolsConfiguration.GetOrCreateInstance();
 
             var command = Common.SpatialBinary;
+
+#if UNITY_EDITOR_OSX
+            var commandArgs = $"local launch --enable_pre_run_check=false --snapshot '{toolsConfig.CustomSnapshotPath}'";
+#else
             var commandArgs = $"local launch --enable_pre_run_check=false --snapshot \"{toolsConfig.CustomSnapshotPath}\"";
+#endif
 
             var runtimeIp = EditorPrefs.GetString(Common.RuntimeIpEditorPrefKey);
             if (!string.IsNullOrEmpty(runtimeIp))