Use apply_all_output_configs to light up outputs

This allows us to test and if necessary degrade the entire backend
configuration to light everything up.

sway/commands/output.c

@@ -103,13 +103,13 @@ struct cmd_results *cmd_output(int argc, char **argv) {
 
 	bool background = output->background;
 
-	output = store_output_config(output);
+	store_output_config(output);
 
 	// If reloading, the output configs will be applied after reading the
 	// entire config and before the deferred commands so that an auto generated
 	// workspace name is not given to re-enabled outputs.
 	if (!config->reloading && !config->validating) {
-		apply_output_config_to_outputs(output);
+		apply_all_output_configs();
 		if (background) {
 			if (!spawn_swaybg()) {
 				return cmd_results_new(CMD_FAILURE,

sway/desktop/output.c

@@ -521,9 +521,7 @@ void handle_new_output(struct wl_listener *listener, void *data) {
 		sway_session_lock_add_output(server->session_lock.lock, output);
 	}
 
-	struct output_config *oc = find_output_config(output);
-	apply_output_config(oc, output);
-	free_output_config(oc);
+	apply_all_output_configs();
 
 	transaction_commit_dirty();
 
@@ -652,6 +650,6 @@ void handle_output_power_manager_set_mode(struct wl_listener *listener,
 		oc->power = 1;
 		break;
 	}
-	oc = store_output_config(oc);
-	apply_output_config(oc, output);
+	store_output_config(oc);
+	apply_all_output_configs();
 }