Consider floating views when calculating title height

sway/config.c

@@ -26,6 +26,7 @@
 #include "sway/config.h"
 #include "sway/tree/arrange.h"
 #include "sway/tree/layout.h"
+#include "sway/tree/workspace.h"
 #include "cairo.h"
 #include "pango.h"
 #include "readline.h"
@@ -751,6 +752,16 @@ void config_update_font_height(bool recalculate) {
 	container_for_each_descendant_dfs(&root_container,
 			find_font_height_iterator, &recalculate);
 
+	// Also consider floating views
+	for (int i = 0; i < root_container.children->length; ++i) {
+		struct sway_container *output = root_container.children->items[i];
+		for (int j = 0; j < output->children->length; ++j) {
+			struct sway_container *ws = output->children->items[i];
+			container_for_each_descendant_dfs(ws->sway_workspace->floating,
+					find_font_height_iterator, &recalculate);
+		}
+	}
+
 	if (config->font_height != prev_max_height) {
 		arrange_root();
 	}