Remove unused includes in editor with clangd-tidy

Also includes the few changes flagged in `main`.

platform/linuxbsd/export/export_plugin.cpp

@@ -35,6 +35,7 @@
 
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
+#include "core/io/zip_io.h"
 #include "core/os/os.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"