components/net: Fix a double-lock in image_cache
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Add fn `add_listener_with_store` which requires `self.store.lock()` before calling.
Use this function instead of `add_listener` on L555 because `self.store.lock()` is called before.
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- [] `./mach build -d` does not report any errors
- [] `./mach test-tidy` does not report any errors
- [X] These changes fix#29003 (GitHub issue number if applicable)
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