Remove duplicated constant initializer copies for TensorRT nodes (#10105)
* add new field constant_initializers in metadef and remove constant initializers from trt node inputs
* remove redundancy
* use GetConstantInitializer() to get constant initializers
* add ORT_ENFORCE check
Co-authored-by: Ubuntu <azureuser@orteplinuxdev.bxgbzpva45kedp3rhbsbit4phb.jx.internal.cloudapp.net>