GDScript: Allow use local constants as types

modules/gdscript/tests/scripts/analyzer/errors/local_const_as_type_use_before_declared.gd

@@ -0,0 +1,5 @@
+enum MyEnum {}
+
+func test():
+	var e: E
+	const E = MyEnum

modules/gdscript/tests/scripts/analyzer/errors/local_const_as_type_use_before_declared.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Local constant "E" is not resolved at this point.

modules/gdscript/tests/scripts/analyzer/errors/local_const_as_type_use_not_const.gd

@@ -0,0 +1,5 @@
+enum MyEnum {}
+
+func test():
+	var E = MyEnum
+	var e: E

modules/gdscript/tests/scripts/analyzer/errors/local_const_as_type_use_not_const.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Local variable "E" cannot be used as a type.

modules/gdscript/tests/scripts/analyzer/errors/local_const_as_type_use_not_type.gd

@@ -0,0 +1,5 @@
+enum MyEnum {A}
+
+func test():
+	const E = MyEnum.A
+	var e: E

modules/gdscript/tests/scripts/analyzer/errors/local_const_as_type_use_not_type.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Local constant "E" is not a valid type.