Make "Pick Color"'s result less precise, keep only 3 decimals #27740

Job	Run time
📊 Static checks / Code style, file formatting, and docs	3m 33s
🤖 Android / Template (target=template_release)	3m 59s
🍎 macOS / Editor (target=editor, tests=yes)	7m 3s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	4m 28s
🍎 macOS / Template (target=template_release)	3m 39s
🐧 Linux / Editor w/ Mono (target=editor)	5m 6s
🌐 Web / Template w/o threads (target=template_release, threads=no)	4m 42s
🍏 iOS / Template (target=template_release)	3m 42s
🐧 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)	20m 13s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	33m 35s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	28m 48s
🏁 Windows / Editor (target=editor, tests=yes)	11m 0s
🐧 Linux / Template w/ Mono (target=template_release)	1m 40s
🏁 Windows / Template (target=template_release)	8m 31s
🐧 Linux / Minimal template (target=template_release, everything disabled)	1m 15s
🪲 Godot CPP / Build and test Godot CPP	7m 10s
	2h 28m 24s

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