Remove single-line list length restriction

This restriction doesn't appear to be necessary anymore, and is
the last remaining cause for `mkRenamedOptionModule`'s being formatted
poorly.

src/Nixfmt/Pretty.hs

@@ -398,7 +398,7 @@ prettyApp indentFunction pre hasPost f a =
       -- If lists have only simple items, try to render them single-line instead of expanding
       -- This is just a copy of the list rendering code, but with `sepBy line` instead of `sepBy hardline`
       absorbInner (Term (List paropen@Ann{trailComment = post'} items parclose))
-        | length (unItems items) <= 4 && all (isSimple . Term) items =
+        | all (isSimple . Term) items =
             pretty (paropen{trailComment = Nothing})
               <> surroundWith sur (nest $ pretty post' <> sepBy line (unItems items))
               <> pretty parclose

test/diff/apply_with_lists/out-pure.nix

@@ -18,22 +18,7 @@
     [ ''\"'' "\\\\" ]
     name
   )
-  (replaceStrings
-    [
-      "@"
-      ":"
-      "\\"
-      "["
-      "]"
-    ]
-    [
-      "-"
-      "-"
-      "-"
-      ""
-      ""
-    ]
-  )
+  (replaceStrings [ "@" ":" "\\" "[" "]" ] [ "-" "-" "-" "" "" ])
   (lists.removePrefix
     [
       1
@@ -67,13 +52,7 @@
     [ "hardware" "graphics" ]
   )
   (mkRenamedOptionModule
-    [
-      "services"
-      "xserver"
-      "displayManager"
-      "sddm"
-      "enable"
-    ]
+    [ "services" "xserver" "displayManager" "sddm" "enable" ]
     [ "services" "displayManager" "sddm" "enable" ]
   )
   (map (

test/diff/apply_with_lists/out.nix

@@ -18,22 +18,7 @@
     [ ''\"'' "\\\\" ]
     name
   )
-  (replaceStrings
-    [
-      "@"
-      ":"
-      "\\"
-      "["
-      "]"
-    ]
-    [
-      "-"
-      "-"
-      "-"
-      ""
-      ""
-    ]
-  )
+  (replaceStrings [ "@" ":" "\\" "[" "]" ] [ "-" "-" "-" "" "" ])
   (lists.removePrefix
     [
       1