fix(imperative): fix the size of blob with offset

GitOrigin-RevId: bb1736dfe1

imperative/python/test/unit/jit/test_tracing.py

@@ -583,7 +583,7 @@ def test_trace_advance_indexing(shape_mode):
 
     inputs = {
         "x": np.random.randn(5, 5, 5, 5, 5).astype("float32"),
-        "i": 0,
+        "i": 4,
         "j": 2,
         "start": 1,
         "end": 3,

imperative/src/impl/physical_tensor.cpp

@@ -232,7 +232,7 @@ namespace {
 
 Blob::Blob(const DeviceTensorStorage& s):
     m_comp_node{s.comp_node()}, m_storage{s.raw_storage()},
-    m_size{s.size()} {
+    m_size{s.size() + s.offset()} {
     m_id = next_blob_id++;
     BlobManager::inst()->register_blob(this);
 }