net_plugin: shutdown segfault fix - 2.0

[heifner]

Change Description

• Avoid accessing connection data during operation_aborted since it can be called during shutdown when connection is being destroyed
• Backport of net_plugin: shutdown segfault fix #10958

Change Type

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• Documentation

• Stability bug fix

• Other

• Other - special case

Testing Changes

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• New Tests

• Existing Tests

• Test Framework

• CI System

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Consensus Changes

• Consensus Changes

API Changes

• API Changes

Documentation Additions

• Documentation Additions

[dimas1185]

please mention in description this is backport