brew list foo should always error when foo is not installed

Fixes Homebrew/homebrew#36484.

Library/Homebrew/cmd/list.rb

@@ -8,7 +8,10 @@ module Homebrew
 
     # Unbrewed uses the PREFIX, which will exist
     # Things below use the CELLAR, which doesn't until the first formula is installed.
-    return unless HOMEBREW_CELLAR.exist?
+    unless HOMEBREW_CELLAR.exist?
+      raise NoSuchKegError.new(ARGV.named.first) if ARGV.named.any?
+      return
+    end
 
     if ARGV.include? '--pinned' or ARGV.include? '--versions'
       filtered_list