vim-patch:8.2.4160: cannot change the register used for Select mode delete

Problem:    Cannot change the register used for Select mode delete.
Solution:   Make CTRL-R set the register to be used when deleting text for
            Select mode. (Shougo Matsushita, closes vim/vim#9531)
4ede01f188

src/nvim/ops.c

@@ -1435,6 +1435,11 @@ int op_delete(oparg_T *oap)
     return FAIL;
   }
 
+  if (VIsual_select && oap->is_VIsual) {
+    // Use the register given with CTRL_R, defaults to zero
+    oap->regname = VIsual_select_reg;
+  }
+
   mb_adjust_opend(oap);
 
   /*