fix(api): missed one link in the chain of loading config values (#17154)

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# Overview

Data was loading in shared data but I didn't realize that the
pipette_handler was truncating the settings.

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

@@ -237,6 +237,7 @@ def get_attached_instrument(self, mount: OT3Mount) -> PipetteDict:
                 "back_compat_names",
                 "supported_tips",
                 "lld_settings",
+                "available_sensors",
             ]
 
             instr_dict = instr.as_dict()
@@ -289,6 +290,7 @@ def get_attached_instrument(self, mount: OT3Mount) -> PipetteDict:
                 "drop_tip": instr.plunger_positions.drop_tip,
             }
             result["shaft_ul_per_mm"] = instr.config.shaft_ul_per_mm
+            result["available_sensors"] = instr.config.available_sensors
         return cast(PipetteDict, result)
 
     @property