leaudio: Fix ASE clear on ACL disconnection

If CIS was disconnected first, the ASE got inactive but keep the
conn_handle and the state.
When ACL got disconnected, the ASE state shall be removed but since ASE
was not active, state was no removed.

This patch also adds some useful logs

Bug: 263359541
Test: atest BluetoothInstrumentationTests
Test: manual bud disconnection/reconnection while streaming
Tag: #feature
Change-Id: Ib115dfef80f05facf74da7baa9811638b8201417