avoid spurious warnings of trying to start the PRACH when it is already running during handover

srsue/hdr/stack/mac/proc_ra.h

@@ -98,6 +98,8 @@ public:
   void notify_phy_config_completed(uint32_t task_id);
   void notify_ra_completed(uint32_t task_id);
 
+  bool is_idle() const { return state == IDLE; }
+
 private:
   void state_pdcch_setup();
   void state_response_reception(uint32_t tti);

srsue/src/stack/mac/proc_sr.cc

@@ -95,7 +95,7 @@ void sr_proc::step(uint32_t tti)
             reset();
           }
         }
-      } else {
+      } else if (ra->is_idle()) {
         Info("SR:    PUCCH not configured. Starting RA procedure\n");
         ra->start_mac_order();
         reset();