Fix semfold handling of {.str/int/bool-define.} (#13964)

tests/misc/tdefine.nim

@@ -16,3 +16,15 @@ doAssert booldef
 doAssert not booldef2
 doAssert intdef == 2
 doAssert strdef == "foobar"
+
+# Intentionally not defined from command line
+const booldef3 {.booldefine.} = true
+const intdef2 {.intdefine.} = 1
+const strdef2 {.strdefine.} = "abc"
+type T = object
+    when booldef3:
+        field1: int
+    when intdef2 == 1:
+        field2: int
+    when strdef2 == "abc":
+        field3: int