fix misc memory leaks

This fixes a few misc memory leaks reported by asan:
- Items of `config->config_chain` are now freed instead of just the list
itself
- `bar->swaybar_command` is now freed
- The result returned by a seat subcommand is now returned instead of
leaked

1 files changed, 1 insertions, 1 deletions

diff --git a/sway/config.c b/sway/config.c
index ae8d11e3..cd2d18a2 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -118,7 +118,7 @@ void free_config(struct sway_config *config) {
         }
         list_free(config->no_focus);
         list_free(config->active_bar_modifiers);
-        list_free(config->config_chain);
+        list_free_items_and_destroy(config->config_chain);
         list_free(config->command_policies);
         list_free(config->feature_policies);
         list_free(config->ipc_policies);