Correctly nest multiline pipeline expressions.

examples/acceptance_tests/036/validators/spend.ak

@@ -20,7 +20,7 @@ validator {
   }
 }
 
-validator (output_reference: OutputReference) {
+validator(output_reference: OutputReference) {
   fn mint(_redeemer: Void, ctx: ScriptContext) -> Bool {
     when
       list.find(

examples/acceptance_tests/078/lib/tests.ak

@@ -10,8 +10,10 @@ type DayOfTheWeek {
 
 fn is_work(day: DayOfTheWeek) {
   when day is {
-    Tuesday | Wednesday | Thursday | Friday | Saturday -> True
-    _ -> False
+    Tuesday | Wednesday | Thursday | Friday | Saturday ->
+      True
+    _ ->
+      False
   }
 }
 
@@ -25,10 +27,12 @@ test is_work_2() {
 
 fn is_happy_hour(day: DayOfTheWeek, current_time: Int) {
   when day is {
-    Monday | Sunday -> True
+    Monday | Sunday ->
+      True
     Tuesday | Wednesday | Thursday | Friday | Saturday if current_time > 18 ->
       True
-    _ -> False
+    _ ->
+      False
   }
 }