Editora 0.10.0. Archived, so links from that release keep working. Read the 0.18.3 page →
Edit: Convert Indentation to Spaces
edit.indentationToSpaces Rewrite the whole file’s leading indentation from tabs to spaces.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Edit: Convert Indentation to Spaces, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.