Ensure secure boot options are escaped properly

scripts/Arch/Config/SecureBoot/main.fish

@@ -19,11 +19,11 @@ begin
 
         sudo sed -i \
             -e "/esp=/{" \
-                -e "a esp=\"$efiDir\"" \
+                -e "a esp=$(echo "$efiDir" | string escape)" \
                 -e "d" \
             -e "}" \
             -e "/bootloader_id=/{" \
-                -e "a bootloader_id=\"$label\"" \
+                -e "a bootloader_id=$(echo "$label" | string escape)" \
                 -e "d" \
             -e "}" \
             /etc/secureboot.conf