Fix caret can disappear from script editor #170

Job	Run time
📊 Static checks / Code style, file formatting, and docs	26s
🍏 iOS / Template (target=template_release)	9m 50s
🍎 macOS / Editor (target=editor, tests=yes)	27m 35s
🐧 Linux / Editor w/ Mono (target=editor)	40m 23s
🍎 macOS / Template (target=template_release)	19m 24s
🤖 Android / Editor (target=editor)	24m 31s
🐧 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)	37m 34s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	24m 59s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	34m 35s
🤖 Android / Template arm32 (target=template_release, arch=arm32)	16m 22s
🌐 Web / Template w/o threads (target=template_release, threads=no)	24m 24s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	31m 31s
🤖 Android / Template arm64 (target=template_release, arch=arm64)	16m 51s
🐧 Linux / Template w/ Mono (target=template_release)	25m 12s
🏁 Windows / Editor (target=editor, tests=yes)	48m 12s
🐧 Linux / Minimal template (target=template_release, everything disabled)	14m 55s
🏁 Windows / Template (target=template_release)	35m 9s
🪲 Godot CPP / Build and test Godot CPP	7m 42s
	7h 19m 35s

Provide feedback