Merge pull request #52090 from balloonpopper/bug52060

Correct null and boolean values being capitalised by the str command

modules/gdscript/tests/scripts/analyzer/features/call_self_get_name.out

@@ -1,3 +1,3 @@
 GDTEST_OK
 Name is equal
-True
+true

modules/gdscript/tests/scripts/analyzer/features/call_static_builtin_function.out

@@ -1,3 +1,3 @@
 GDTEST_OK
-True
+true
 OK

modules/gdscript/tests/scripts/parser/features/str_preserves_case.gd

@@ -0,0 +1,7 @@
+func test():
+	var null_var = null
+	var true_var:bool = true
+	var false_var:bool = false
+	print(str(null_var))
+	print(str(true_var))
+	print(str(false_var))

modules/gdscript/tests/scripts/parser/features/str_preserves_case.out

@@ -0,0 +1,4 @@
+GDTEST_OK
+null
+true
+false