feat: open .mjs files generated from .ts file inside external editor #200

Job	Run time
🆚 Get godot version / Get godot version	1s
📊 Static checks / Code style, file formatting, and docs	11s
🍏 iOS / Template (target=template_release)	1m 30s
🐧 Linux / Editor w/ Mono (target=editor)	2m 40s
🐧 Linux / Template w/ Mono (target=template_release)	44s
🤖 Android / Template (target=template_release)	3m 26s
🐧 Linux / Minimal template (target=template_release, everything disabled)	32s
🌐 Web / Template (target=template_release)	55s
🍎 macOS / Editor (target=editor, tests=yes)	4m 30s
🍎 macOS / Template (target=template_release)	3m 37s
🏁 Windows / Editor (target=editor, tests=yes)	8m 21s
🏁 Windows / Template (target=template_release)	7m 15s
✅ Check builds	1s
🦅 Release	0s
	33m 43s

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