[Unity][Bugfix] Handle assignment of non-dataflow var to a dataflow var in CanonicalizeBindings#15523

Hzfengsy merged 2 commits intoapache:unityapache/tvm:unityfrom

slyubomirsky:canonicalize-bindings-df-assign-fixslyubomirsky/tvm:canonicalize-bindings-df-assign-fixCopy head branch name to clipboard