patch 8.2.2628: Vim9: #{ can still be used at the script level

Problem:    Vim9: #{ can still be used at the script level.
Solution:   Give an error for #{ like in a :def function.
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 1046841..de6eabd 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -2159,10 +2159,10 @@
   CheckDefAndScriptSuccess(lines)
  
   # legacy syntax doesn't work
-  CheckDefFailure(["var x = #{key: 8}"], 'E1170:', 1)
-  CheckDefFailure(["var x = 'a' #{a: 1}"], 'E1170:', 1)
-  CheckDefFailure(["var x = 'a' .. #{a: 1}"], 'E1170:', 1)
-  CheckDefFailure(["var x = true ? #{a: 1}"], 'E1170:', 1)
+  CheckDefAndScriptFailure(["var x = #{key: 8}"], 'E1170:', 1)
+  CheckDefAndScriptFailure(["var x = 'a' #{a: 1}"], 'E1170:', 1)
+  CheckDefAndScriptFailure(["var x = 'a' .. #{a: 1}"], 'E1170:', 1)
+  CheckDefAndScriptFailure(["var x = true ? #{a: 1}"], 'E1170:', 1)
 
   CheckDefFailure(["var x = {a:8}"], 'E1069:', 1)
   CheckDefFailure(["var x = {a : 8}"], 'E1068:', 1)