set reestablishment cause correctly on handover failure

srsue/src/stack/rrc/rrc.cc

@@ -919,7 +919,6 @@ bool rrc::con_reconfig(const rrc_conn_recfg_s& reconfig)
 void rrc::ho_failed()
 {
   ho_handler.trigger(ho_proc::t304_expiry{});
-  start_con_restablishment(reest_cause_e::ho_fail);
 }
 
 // Reconfiguration failure or Section 5.3.5.5

srsue/src/stack/rrc/rrc_procedures.cc

@@ -1530,7 +1530,7 @@ void rrc::ho_proc::then(const srslte::proc_state_t& result)
 {
   Info("Finished HO Preparation %s\n", result.is_success() ? "successfully" : "with error");
   if (result.is_error()) {
-    rrc_ptr->con_reconfig_failed();
+    rrc_ptr->start_con_restablishment(reest_cause_e::ho_fail);
   }
 }