swaybar: reverse order of workspaces list

This makes it congruent with its visual appearance, making it easier to
reason about.

swaybar/input.c

@@ -205,7 +205,7 @@ static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
 
 	struct swaybar_workspace *new;
 
-	if (amt > 0.0) {
+	if (amt < 0.0) {
 		if (active == first) {
 			if (!bar->config->wrap_scroll) {
 				return;

swaybar/ipc.c

@@ -307,7 +307,7 @@ bool ipc_get_workspaces(struct swaybar *bar) {
 				if (ws->urgent) {
 					bar->visible_by_urgency = true;
 				}
-				wl_list_insert(&output->workspaces, &ws->link);
+				wl_list_insert(output->workspaces.prev, &ws->link);
 			}
 		}
 	}

swaybar/render.c

@@ -466,7 +466,7 @@ static uint32_t render_to_cairo(cairo_t *cairo, struct swaybar_output *output) {
 	x = 0;
 	if (config->workspace_buttons) {
 		struct swaybar_workspace *ws;
-		wl_list_for_each_reverse(ws, &output->workspaces, link) {
+		wl_list_for_each(ws, &output->workspaces, link) {
 			uint32_t h = render_workspace_button(cairo, output, ws, &x);
 			max_height = h > max_height ? h : max_height;
 		}