Fix most of `TextEdit` visual issues. #243

Job	Run time
📊 Static checks / Code style, file formatting, and docs	32s
🤖 Android / Editor (target=editor)	25m 44s
🤖 Android / Template arm32 (target=template_release, arch=arm32)	3m 25s
🍎 macOS / Editor (target=editor, tests=yes)	27m 7s
🤖 Android / Template arm64 (target=template_release, arch=arm64)	17m 1s
🍏 iOS / Template (target=template_release)	1m 37s
🍎 macOS / Template (target=template_release, tests=yes)	18m 25s
🐧 Linux / Editor w/ Mono (target=editor)	35m 7s
🐧 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 56s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	25m 30s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	33m 10s
🌐 Web / Template w/o threads (target=template_release, threads=no)	26m 20s
🏁 Windows / Editor (target=editor, tests=yes)	48m 18s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	27m 39s
🏁 Windows / Editor w/ clang-cl (target=editor, tests=yes, use_llvm=yes)	39m 25s
🐧 Linux / Template w/ Mono (target=template_release, tests=yes)	26m 5s
🏁 Windows / Template (target=template_release, tests=yes)	37m 51s
🐧 Linux / Minimal template (target=template_release, tests=yes, everything disabled)	14m 2s
🪲 Godot CPP	0s
	7h 23m 14s

Provide feedback