Don't force-cleanup already cleaned up TileMap cells #182

Job	Run time
📊 Static checks / Code style, file formatting, and docs	1m 0s
🍎 macOS / Editor (target=editor, tests=yes)	32m 10s
🍎 macOS / Template (target=template_release)	21m 45s
🍏 iOS / Template (target=template_release)	11m 49s
🤖 Android / Editor (target=editor)	24m 58s
🐧 Linux / Editor w/ Mono (target=editor)	41m 20s
🤖 Android / Template arm32 (target=template_release, arch=arm32)	16m 46s
🤖 Android / Template arm64 (target=template_release, arch=arm64)	17m 4s
🐧 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)	46m 25s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	25m 43s
🏁 Windows / Editor (target=editor, tests=yes)	48m 53s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	35m 15s
🌐 Web / Template w/o threads (target=template_release, threads=no)	26m 51s
🏁 Windows / Template (target=template_release)	36m 48s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	32m 28s
🐧 Linux / Template w/ Mono (target=template_release)	28m 28s
🐧 Linux / Minimal template (target=template_release, everything disabled)	14m 45s
🪲 Godot CPP	0s
	7h 42m 28s

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