fix: Update pulse return logic to use repeated hpi_pulse for improved…

… functionality

src/qubex/experiment/experiment.py

@@ -678,7 +678,7 @@ def get_pulse_for_state(
         if state == "0":
             return Blank(0)
         elif state == "1":
-            return self.pi_pulse[target]
+            return self.hpi_pulse[target].repeated(2)
         else:
             hpi = self.hpi_pulse[target]
             if state == "+":