Clean up font log

Author: floppyhammer

src/resources/theme.cpp

@@ -369,8 +369,11 @@ void Theme::load_unifont() {
     font = DefaultResource::get_singleton()->get_default_font();
 
     const auto new_font = Font::from_file(get_asset_dir("unifont-17.0.03.otf"));
-    font = new_font;
-    Logger::warn("Unifont not found", "revector");
+    if (new_font) {
+        font = new_font;
+    } else {
+        Logger::warn("Unifont not found", "revector");
+    }
 }
 
 } // namespace revector