TryInto<ObjectPath> in dbus_proxy is problematic

This makes the api expecting something like a str representation of an ObjectPath and can't take an ObjectPath anymore

affected functions

   pub fn new_for(
                conn: &#connection,
                destination: &'c str,
                path: impl std::convert::TryInto<::#zbus::export::zvariant::ObjectPath<'c>, Error = ::#zbus::export::zvariant::Error>,
            ) -> ::#zbus::Result<Self> {
                Ok(Self(#proxy_struct::new(
                    conn,
                    destination,
                    path,
                    #name,
                )?))
            }

            /// Same as `new_for` but takes ownership of the passed arguments.
            pub fn new_for_owned(
                conn: #connection,
                destination: String,
                path: impl std::convert::TryInto<::#zbus::export::zvariant::ObjectPath<'static>, Error = ::#zbus::export::zvariant::Error>,
            ) -> ::#zbus::Result<Self> {
                Ok(Self(#proxy_struct::new_owned(
                    conn,
                    destination,
                    path,
                    #name.to_owned(),
                )?))
            }

            /// Creates a new proxy for the given `path`.
            pub fn new_for_path(
                conn: &#connection,
                path: impl std::convert::TryInto<::#zbus::export::zvariant::ObjectPath<'c>, Error = ::#zbus::export::zvariant::Error>,
            ) -> ::#zbus::Result<Self> {
                Ok(Self(#proxy_struct::new(
                    conn,
                    #default_service,
                    path,
                    #name,
                )?))
            }

            /// Same as `new_for_path` but takes ownership of the passed arguments.
            pub fn new_for_owned_path(
                conn: #connection,
                path: impl std::convert::TryInto<::#zbus::export::zvariant::ObjectPath<'static>, Error = ::#zbus::export::zvariant::Error>,
            ) -> ::#zbus::Result<Self> {
                Ok(Self(#proxy_struct::new_owned(
                    conn,
                    #default_service.to_owned(),
                    path,
                    #name.to_owned(),
                )?))
            }