fix: dropbear/network boot ordering — dropbear starts without network

- dropbear: custom init removes 'need net', only needs localmount + bee-sshsetup
- bee-network: removed 'before dropbear' dependency
- bee-network.sh: removed set -e so single iface failure does not abort script

iso/overlay-debug/etc/init.d/dropbear

@@ -0,0 +1,37 @@
+#!/sbin/openrc-run
+
+description="Dropbear SSH server"
+
+depend() {
+    need localmount
+    after bee-sshsetup
+    use logger
+}
+
+check_config() {
+    if [ ! -e /etc/dropbear/dropbear_rsa_host_key ]; then
+        einfo "Generating RSA host key..."
+        /usr/bin/dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key
+    fi
+    if [ ! -e /etc/dropbear/dropbear_ecdsa_host_key ]; then
+        einfo "Generating ECDSA host key..."
+        /usr/bin/dropbearkey -t ecdsa -f /etc/dropbear/dropbear_ecdsa_host_key
+    fi
+    if [ ! -e /etc/dropbear/dropbear_ed25519_host_key ]; then
+        einfo "Generating ED25519 host key..."
+        /usr/bin/dropbearkey -t ed25519 -f /etc/dropbear/dropbear_ed25519_host_key
+    fi
+}
+
+start() {
+    check_config || return 1
+    ebegin "Starting dropbear"
+    /usr/sbin/dropbear ${DROPBEAR_OPTS}
+    eend $?
+}
+
+stop() {
+    ebegin "Stopping dropbear"
+    start-stop-daemon --stop --pidfile /var/run/dropbear.pid
+    eend $?
+}