Remove unused includes in editor with clangd-tidy

Also includes the few changes flagged in `main`.

editor/debugger/editor_profiler.cpp

@@ -32,7 +32,7 @@
 
 #include "core/io/image.h"
 #include "core/object/callable_mp.h"
-#include "core/object/class_db.h"
+#include "core/object/class_db.h" // IWYU pragma: keep. `ADD_SIGNAL` macro.
 #include "core/string/translation_server.h"
 #include "editor/editor_string_names.h"
 #include "editor/run/editor_run_bar.h"
@@ -40,6 +40,7 @@
 #include "editor/themes/editor_scale.h"
 #include "scene/gui/check_box.h"
 #include "scene/gui/flow_container.h"
+#include "scene/gui/label.h"
 #include "scene/resources/image_texture.h"
 
 void EditorProfiler::_make_metric_ptrs(Metric &m) {