cocoa: call ecore_cocoa_init as part of the init process.

This mimic what x and wayland do. This is need if you want
that ecore_event was inited early.

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

legacy/elementary/src/lib/elm_config.c

@@ -3433,6 +3433,9 @@ _elm_config_sub_init(void)
              goto end;
           }
      }
+#endif
+#ifdef HAVE_ELEMENTARY_COCOA
+   ecore_cocoa_init();
 #endif
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    size_t len;