fix(api): do not block refresh positions (#13611)

api/src/opentrons/hardware_control/instruments/ot3/gripper.py

@@ -111,11 +111,12 @@ def current_jaw_displacement(self) -> float:
     @current_jaw_displacement.setter
     def current_jaw_displacement(self, mm: float) -> None:
         max_mm = self._max_jaw_displacement() + 2.0
-        assert mm <= max_mm, (
-            f"jaw displacement {round(mm, 1)} mm exceeds max expected value: "
-            f"{max_mm} mm"
-        )
-        self._current_jaw_displacement = mm
+        if mm > max_mm:
+            self._log.warning(
+                f"jaw displacement {round(mm, 1)} mm exceeds max expected value: "
+                f"{max_mm} mm, setting value to max value instead."
+            )
+        self._current_jaw_displacement = min(mm, max_mm)
 
     @property
     def default_grip_force(self) -> float: