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common: fix dangling memory allocation in daemon_conn_new_() #8424

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Chand-ra
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Changelog-Fixed: Use the correct context in daemon_conn_new_() by allocating struct daemon_conn with ctx instead of NULL.

This ensures proper ownership and cleanup of daemon_conn objects, avoiding memory leaks.

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CC: @morehouse

Changelog-Fixed: Use the correct context in `daemon_conn_new_()`
by allocating `struct daemon_conn` with `ctx` instead of `NULL`.

This ensures proper ownership and cleanup of `daemon_conn` objects,
avoiding memory leaks.
@Chand-ra
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This memleak was unearthed by the new fuzz test in #8423 .

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ACK 1a1b47b

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