podman: Order rootless sysctl configuration

Oniro comes with a default configuration for user namespaces (disabling
it). We want podman be able to override it when rootless mode is
enabled.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-oniro-core/recipes-containers/podman/podman_%.bbappend

@@ -6,3 +6,11 @@ inherit writables
 
 WRITABLES = "rootuser-netconfig"
 WRITABLE_PATH[rootuser-netconfig] = "/etc/cni/net.d"
+
+do_install:append() {
+	if ${@bb.utils.contains('PACKAGECONFIG', 'rootless', 'true', 'false', d)}; then
+		# Make sure that the Oniro defaults gets overridden by this.
+		mv "${D}${sysconfdir}/sysctl.d/00-podman-rootless.conf" \
+			"${D}${sysconfdir}/sysctl.d/50-podman-rootless.conf"
+	fi
+}