Explain which nodes receive `NOTIFICATION_WM_SIZE_CHANGED` #15593

Job	Run time
📊 Static checks / Code style, file formatting, and docs	38s
🍏 iOS / Template (target=template_release)	2m 11s
🐧 Linux / Editor w/ Mono (target=editor)	2m 56s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	21m 42s
🌐 Web / Template (target=template_release)	1m 34s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	5m 39s
🏁 Windows / Editor (target=editor, tests=yes)	7m 27s
🏁 Windows / Template (target=template_release)	6m 47s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	6m 49s
🐧 Linux / Template w/ Mono (target=template_release)	1m 52s
🤖 Android / Template (target=template_release)	3m 0s
🐧 Linux / Minimal template (target=template_release, everything disabled)	50s
🍎 macOS / Editor (target=editor, tests=yes)	3m 57s
🍎 macOS / Template (target=template_release)	2m 46s
🪲 Godot CPP / Build and test Godot CPP	12m 44s
	1h 20m 52s

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