in `#[var]s`, handle renamed `#[func]`s #3239

Job	Run time
rustfmt	10s
doc-lints	42s
clippy	1m 43s
godot-itest (macos)	59s
license-guard	35s
run-examples	1m 20s
godot-itest (windows)	2m 48s
unit-test	2m 20s
godot-itest (linux-full)	2m 27s
godot-itest (linux-features-experimental)	1m 57s
godot-itest (linux-4.1)	1m 30s
godot-itest (linux-4.2)	1m 22s
godot-itest (linux-memcheck)	2m 13s
ci-status	1s
	20m 7s

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