Change ls to alias to prevent expansion

fish/.config/fish/conf.d/abbr.fish

@@ -4,11 +4,11 @@ if type -q "eza"
 else
     set -U ls ls
 end
-abbr -a ls $ls
-abbr -a ll $ls
-abbr -a la $ls -a
-abbr -a ld $ls -a --total-size
-abbr -a l  $ls -a
+alias ls="$ls"
+alias ll="$ls"
+alias la="$ls -a"
+alias ld="$ls -a --total-size"
+alias l="$ls -a"
 
 # git
 abbr -a gs git status