fix(nature/completions): get command name properly for custom completions

CHANGELOG.md

@@ -161,6 +161,7 @@ will result in the files being completed.
 - Cut off item names in grid menu if its longer than cell width
 - Fix completion search menu disappearing
 - Completion paths having duplicated characters if it's escaped
+- Get custom completion command properly to call from Lua
 
 ## [2.0.0-rc1] - 2022-09-14
 This is a pre-release version of Hilbish for testing. To see the changelog,

nature/completions.lua

@@ -24,7 +24,7 @@ function hilbish.completion.handler(line, pos)
 		return {compGroup}, pfx
 	else
 		local ok, compGroups, pfx = pcall(hilbish.completion.call,
-		'command.' .. #fields[1], query, ctx, fields)
+		'command.' .. fields[1], query, ctx, fields)
 		if ok then
 			return compGroups, pfx
 		end