Fix samples order on save, not load.

Sorting samples during load was a major mistake, as three different background
processing threads were concurrently accessing the samples table, and it was
being sorted in one of them!

server/TracyVersion.hpp

@@ -7,7 +7,7 @@ namespace Version
 {
 enum { Major = 0 };
 enum { Minor = 7 };
-enum { Patch = 12 };
+enum { Patch = 13 };
 }
 }