[Bug]: Calling io.read() more than once results in error

[rly]

What happened?

Prior to HDMF 3.7.0, you could call io.read() more than once. Now you get a ValueError:
ValueError: io has already been set for this container (name=root, type=<class 'pynwb.file.NWBFile'>)

This line https://github.com/hdmf-dev/hdmf/blob/dev/src/hdmf/container.py#L256 needs to be changed to also check that the new read_io object is not the same as the old read_io object.

Steps to Reproduce

from pynwb import NWBHDF5IO
io = NWBHDF5IO("/Users/rly/Downloads/20230622_155936.nwb", "r", load_namespaces=True)
nwbfile = io.read()
nwbfile = io.read()

Traceback

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/rly/Documents/NWB/hdmf/src/hdmf/utils.py", line 644, in func_call
    return func(args[0], **pargs)
  File "/Users/rly/Documents/NWB/pynwb/src/pynwb/__init__.py", line 304, in read
    file = super().read(**kwargs)
  File "/Users/rly/Documents/NWB/hdmf/src/hdmf/backends/hdf5/h5tools.py", line 477, in read
    return super().read(**kwargs)
  File "/Users/rly/Documents/NWB/hdmf/src/hdmf/utils.py", line 644, in func_call
    return func(args[0], **pargs)
  File "/Users/rly/Documents/NWB/hdmf/src/hdmf/backends/io.py", line 61, in read
    container.read_io = self
  File "/Users/rly/Documents/NWB/hdmf/src/hdmf/container.py", line 257, in read_io
    raise ValueError("io has already been set for this container (name=%s, type=%s)" %
ValueError: io has already been set for this container (name=root, type=<class 'pynwb.file.NWBFile'>)

Operating System

macOS

Python Executable

Conda

Python Version

3.11

Package Versions

No response

Code of Conduct

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