Fix setting platform options via configuration file

Make sure shell config-file parameter is set before setting up platform
because it is used by the paltform to read the initial options.

launcher/cog-launcher.c

@@ -291,6 +291,11 @@ cog_launcher_startup(GApplication *application)
 #endif /* COG_HAVE_MEM_PRESSURE */
         NULL);
 
+    if (s_options.key_file) {
+        g_autoptr(GKeyFile) key_file = g_steal_pointer(&s_options.key_file);
+        g_object_set(self->shell, "config-file", key_file, NULL);
+    }
+
     g_autoptr(GError) error = NULL;
     if (!cog_platform_setup(cog_platform_get(), self->shell, s_options.platform_params, &error))
         g_error("Cannot configure platform: %s", error->message);
@@ -324,11 +329,6 @@ cog_launcher_startup(GApplication *application)
         g_clear_pointer(&s_options.handler_map, g_hash_table_destroy);
     }
 
-    if (s_options.key_file) {
-        g_autoptr(GKeyFile) key_file = g_steal_pointer(&s_options.key_file);
-        g_object_set(self->shell, "config-file", key_file, NULL);
-    }
-
 #if COG_USE_WPE2
     if (!self->automated) {
         webkit_network_session_set_tls_errors_policy(self->network_session,