Fix shortcut input for `EditorSceneTabs` #13806

Job	Run time
📊 Static checks / Code style, file formatting, and docs	38s
🤖 Android / Template (target=template_release)	48m 15s
🍎 macOS / Editor (target=editor, tests=yes)	5m 15s
🍎 macOS / Template (target=template_release)	31m 36s
🍏 iOS / Template (target=template_release)	29m 1s
🐧 Linux / Editor w/ Mono (target=editor)	4m 26s
🌐 Web / Template (target=template_release)	24m 55s
🐧 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)	16m 8s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	10m 5s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	9m 29s
🏁 Windows / Editor (target=editor, tests=yes)	9m 45s
🐧 Linux / Template w/ Mono (target=template_release)	42m 24s
🏁 Windows / Template (target=template_release)	1h 5m 31s
🐧 Linux / Minimal template (target=template_release, everything disabled)	24m 58s
🪲 Godot CPP / Build and test Godot CPP	9m 57s
	5h 32m 23s

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