[Moe Refactor] Make Inplace Flag for FusedMoEModularKernel part of the constructor (#33375)

Signed-off-by: Bill Nell <bnell@redhat.com>
Co-authored-by: Robert Shaw <114415538+robertgshaw2-redhat@users.noreply.github.com>

tests/kernels/moe/test_cutlass_moe.py

@@ -207,6 +207,7 @@ def run_with_expert_maps(
                 ),
                 quant_config=new_quant_config,
             ),
+            inplace=False,
         )
         out_tensor = out_tensor + kernel(**kwargs)
 
@@ -266,6 +267,7 @@ def run_8_bit(
                 ),
                 quant_config=quant_config,
             ),
+            inplace=False,
         )
         return kernel(**kwargs)