Fix formatting of comments after some global decls

Author: bbannier

corpus/comments.spicy

@@ -0,0 +1,6 @@
+public type A = B;         # Should stay here.
+
+public type A = unit {};   # Should stay here.
+public type A = struct {}; # Should stay here.
+
+function f() {}            # Should stay here.

corpus/comments.spicy.expected

@@ -0,0 +1,6 @@
+public type A = B; # Should stay here.
+
+public type A = unit {}; # Should stay here.
+public type A = struct {}; # Should stay here.
+
+function f() {} # Should stay here.

src/query.scm

@@ -223,13 +223,17 @@
  (import)
 ] @allow_blank_line_before
 
-[
- (enum_decl)
- (type_decl)
- (function_decl)
- (struct_decl)
-]
- @append_hardline
+(
+  [
+   (enum_decl)
+   (type_decl)
+   (function_decl)
+   (struct_decl)
+  ]
+  @append_hardline
+  .
+  (comment)? @do_nothing
+)
 
 [
  (field_decl)