Allow all neuron owners to transfer controller of their neuron

[Seers]

Linking the post where we asked for improvements on SNS neuron transferability from the NNS dapp, so we can improve our rage quit mechanism.

Burn, Dissolve, Transfer SNS Neurons

Hello, At ICX, we are implementing a DAO with the “rage quit” feature. This feature allows members to quit the DAO with their share of the ICP treasury if they disagree with a proposal (by burning ICX tokens). This is something we have had in mind for a long time and has become especially interesting since the withdrawal incident. These kinds of DAOs are pretty famous and well-regarded in Ethereum. To do that, it would be quite useful to implement a couple of primitives such as: Allow the tr…