feat(bt): Add test to for unauth overwrite.

* Add a test to ensure unauth overwrite does the right thing when
  hosts try to pair again without the profile cleared on the ZMK side.

Author: petejohanson

app/tests/ble/profiles/overwrite-enabled-reconnect-without-bond-then-output-to-selection/centrals.txt

@@ -0,0 +1 @@
+./ble_test_central.exe -d=2 -disconnect_and_reconnect -clear_bond_on_disconnect

app/tests/ble/profiles/overwrite-enabled-reconnect-without-bond-then-output-to-selection/events.patterns

@@ -0,0 +1 @@
+s/^d_02: @[0-9][0-9]:[0-9][0-9]:[0-9][0-9].[0-9][0-9][0-9][0-9][0-9][0-9]  .{19}//p

app/tests/ble/profiles/overwrite-enabled-reconnect-without-bond-then-output-to-selection/nrf52_bsim.conf

@@ -0,0 +1 @@
+CONFIG_BT_SMP_ALLOW_UNAUTH_OVERWRITE=y

app/tests/ble/profiles/overwrite-enabled-reconnect-without-bond-then-output-to-selection/nrf52_bsim.keymap

@@ -0,0 +1,25 @@
+#include <behaviors.dtsi>
+#include <dt-bindings/zmk/bt.h>
+#include <dt-bindings/zmk/keys.h>
+#include <dt-bindings/zmk/kscan_mock.h>
+
+&kscan {
+    events =
+    <ZMK_MOCK_PRESS(0,0,10000)
+    ZMK_MOCK_RELEASE(0,0,2000)
+    ZMK_MOCK_PRESS(0,1,100)
+    ZMK_MOCK_RELEASE(0,1,1000)>;
+};
+
+/ {
+    keymap {
+        compatible = "zmk,keymap";
+        label = "Default keymap";
+
+        default_layer {
+            bindings = <
+            &kp A &kp B
+            &bt BT_SEL 0 &bt BT_SEL 1>;
+        };
+    };
+};

app/tests/ble/profiles/overwrite-enabled-reconnect-without-bond-then-output-to-selection/snapshot.log

@@ -0,0 +1,36 @@
+<wrn> bt_id: No static addresses stored in controller
+<dbg> ble_central: _posix_zephyr_main: [Bluetooth initialized]
+<dbg> ble_central: start_scan: [Scanning successfully started]
+<dbg> ble_central: device_found: [DEVICE]: ED:3B:20:15:18:12 (random), AD evt type 0, AD data len 15, RSSI -59
+<dbg> ble_central: eir_found: [AD]: 9 data_len 0
+<dbg> ble_central: eir_found: [AD]: 25 data_len 2
+<dbg> ble_central: eir_found: [AD]: 1 data_len 1
+<dbg> ble_central: eir_found: [AD]: 2 data_len 4
+<dbg> ble_central: connected: [Connected]: ED:3B:20:15:18:12 (random)
+<dbg> ble_central: connected: [Setting the security for the connection]
+<dbg> ble_central: pairing_complete: Pairing complete
+<dbg> ble_central: disconnected: [Disconnected]: ED:3B:20:15:18:12 (random) (reason 0x16)
+<dbg> ble_central: start_scan: [Scanning successfully started]
+<dbg> ble_central: device_found: [DEVICE]: ED:3B:20:15:18:12 (random), AD evt type 0, AD data len 15, RSSI -59
+<dbg> ble_central: eir_found: [AD]: 9 data_len 0
+<dbg> ble_central: eir_found: [AD]: 25 data_len 2
+<dbg> ble_central: eir_found: [AD]: 1 data_len 1
+<dbg> ble_central: eir_found: [AD]: 2 data_len 4
+<dbg> ble_central: connected: [Connected]: ED:3B:20:15:18:12 (random)
+<dbg> ble_central: connected: [Setting the security for the connection]
+<dbg> ble_central: pairing_complete: Pairing complete
+<dbg> ble_central: discover_conn: [Discovery started for conn]
+<dbg> ble_central: discover_func: [ATTRIBUTE] handle 23
+<dbg> ble_central: discover_func: [ATTRIBUTE] handle 28
+<dbg> ble_central: discover_func: [ATTRIBUTE] handle 30
+<dbg> ble_central: discover_func: [SUBSCRIBED]
+<dbg> ble_central: notify_func: payload
+                   00 00 04 00 00 00 00 00                          |........
+<dbg> ble_central: notify_func: payload
+                   00 00 00 00 00 00 00 00                          |........
+<dbg> ble_central: notify_func: payload
+                   00 00 05 00 00 00 00 00                          |........
+<dbg> ble_central: notify_func: payload
+                   00 00 00 00 00 00 00 00                          |........
+<dbg> ble_central: notify_func: payload
+                   00 00 00 00 00 00 00 00                          |........