ClientMethodInvocation costructor parameters should be Serializable[] instead of Object[]

[vaadin-bot]

Originally by @pleku

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Current implementation of the ClientMethodInvocation allows any type of parameters with Object[] parameters. If any of these objects is not Serializable, serializing the ClientMethodInvocation will cause NotSerializableException.

An example case when Serialization is needed: https://github.com/vaadin/framework/issues/4422

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Imported from https://dev.vaadin.com/ issue #12745

[stale[bot]]

Hello there!

It looks like this issue hasn't progressed lately. There are so many issues that we just can't deal them all within a reasonable timeframe.

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[TatuLund]

This wont be entirely straightforward as java.lang.reflect.InvocationHandler assumes that args is Object[].