[Lang] Enable real_matrix and real_matrix_scalarize by default (taichi-dev#6801)

Issue: taichi-dev#5819

### Brief Summary

Author: jim19930609

taichi/program/compile_config.cpp

@@ -45,8 +45,8 @@ CompileConfig::CompileConfig() {
   make_block_local = true;
   detect_read_only = true;
   ndarray_use_cached_allocator = true;
-  real_matrix = false;
-  real_matrix_scalarize = false;
+  real_matrix = true;
+  real_matrix_scalarize = true;
 
   saturating_grid_dim = 0;
   max_block_dim = 0;