Improve display for lightmap probes in the editor #1292

Job	Run time
📊 Static checks / Code style, file formatting, and docs	2m 30s
🍏 iOS / Template (target=template_release)	11m 32s
🍎 macOS / Editor (target=editor, tests=yes)	40s
🍎 macOS / Template (target=template_release)	44s
🤖 Android / Template (target=template_release)	28m 59s
🐧 Linux / Editor w/ Mono (target=editor)	35m 33s
🐧 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)	35m 24s
🌐 Web / Template (target=template_release)	23m 54s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	32m 51s
🏁 Windows / Editor (target=editor, tests=yes)	43m 32s
🏁 Windows / Template (target=template_release)	32m 37s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	29m 21s
🐧 Linux / Template w/ Mono (target=template_release)	25m 30s
🐧 Linux / Minimal template (target=template_release, everything disabled)	15m 43s
🪲 Godot CPP / Build and test Godot CPP	7m 6s
	5h 25m 56s

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