Update fuseBatchNorm to include ConvDepthWise and MetaOperators

• Update fuseBatchNorm
• Optimize GraphRegex::_findLargestCompatibleSet()

include/aidge/operator/Erf.hpp

@@ -51,12 +51,9 @@ public:
         return std::make_shared<Erf_Op>(*this);
     }
 
-    void setBackend(const std::string& name) override {
+    void setBackend(const std::string& name, DeviceIdx_t device = 0) override {
         mImpl = Registrar<Erf_Op>::create(name)(*this);
-        mOutputs[0]->setBackend(name);
-
-        // FIXME: temporary workaround
-        getInput(0)->setBackend(name);
+        mOutputs[0]->setBackend(name, device);
     }
 
     static const std::vector<std::string> getInputsName(){