patch 8.2.0434: MS-Windows with VTP: Normal color not working

Problem:    MS-Windows with VTP: Normal color not working.
Solution:   After changing the Normal color update the VTP console color.
            (Nobuhiro Takasaki, closes #5836)
diff --git a/src/highlight.c b/src/highlight.c
index 44888e9..5d90e69 100644
--- a/src/highlight.c
+++ b/src/highlight.c
@@ -1485,6 +1485,9 @@
 		redraw_all_later(NOT_VALID);
 	    }
 #endif
+#ifdef FEAT_VTP
+	    control_console_color_rgb();
+#endif
 	}
 #ifdef FEAT_TERMINAL
 	else if (is_terminal_group)