[spec] Add grammar for (Type)(args) (#3819)

Change introduced in dlang/dmd#15377.

Fixes Bugzilla 24520 - type(value) got a synonym (type)(value)

Also combine 2 other PrimaryExpression rules with `TypeCtor? (Type).Identifier`.

Author: ntrel

spec/expression.dd

@@ -1861,11 +1861,10 @@ $(GNAME PrimaryExpression):
     $(GLINK ImportExpression)
     $(GLINK NewExpression)
     $(GLINK2 type, FundamentalType) $(D .) $(IDENTIFIER)
-    $(D $(LPAREN)) $(GLINK2 type, Type) $(D $(RPAREN) .) $(IDENTIFIER)
+    $(GLINK2 type, TypeCtor)$(OPT) $(D $(LPAREN)) $(GLINK2 type, Type) $(D $(RPAREN) .) $(IDENTIFIER)
     $(D $(LPAREN)) $(GLINK2 type, Type) $(D $(RPAREN) .) $(GLINK2 template, TemplateInstance)
     $(GLINK2 type, FundamentalType) $(D $(LPAREN)) $(GLINK NamedArgumentList)$(OPT) $(D $(RPAREN))
-    $(GLINK2 type, TypeCtor) $(D $(LPAREN)) $(GLINK2 type, Type) $(D $(RPAREN)) $(D .) $(IDENTIFIER)
-    $(GLINK2 type, TypeCtor) $(D $(LPAREN)) $(GLINK2 type, Type) $(D $(RPAREN)) $(D $(LPAREN)) $(GLINK NamedArgumentList)$(OPT) $(D $(RPAREN))
+    $(GLINK2 type, TypeCtor)$(OPT) $(D $(LPAREN)) $(GLINK2 type, Type) $(D $(RPAREN)) $(D $(LPAREN)) $(GLINK NamedArgumentList)$(OPT) $(D $(RPAREN))
     $(GLINK2 type, Typeof)
     $(GLINK TypeidExpression)
     $(GLINK IsExpression)