lok - sc: lift row limit to 500k

Due to previously intruduced optimizations, it is safe and fast enough
to navigate through a 500k rows speadsheet.

Change-Id: I865d0b60629b5bbf796e9e48df6ff21242a13e5a
Reviewed-on: https://gerrit.libreoffice.org/40454Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Marco Cecchetti <mrcekets@gmail.com>

sc/inc/address.hxx

@@ -73,7 +73,7 @@ const SCCOL       MAXCOL         = MAXCOLCOUNT - 1;
 const SCTAB       MAXTAB         = MAXTABCOUNT - 1;
 const SCCOLROW    MAXCOLROW      = MAXROW;
 // Maximun tiled rendering values
-const SCROW       MAXTILEDROW    = 10000;
+const SCROW       MAXTILEDROW    = 500000;
 // Limit the initial tab count to prevent users to set the count too high,
 // which could cause the memory usage of blank documents to exceed the
 // available system memory.