Kotlin decryption. don't break message render view when a public key is not valid

[DenBond7]

ref pgpainless/pgpainless#158

[tomholub]

There are probably two issues here.

One, when any error happens parsing the public key, it should only affect the rendering of pubkey block, but still render the rest of the message normally.

Two, this looks like some incompatibility between OpenPGP.js and PGPainless that could probably be addressed in PGPainless.

[DenBond7]

One, when any error happens parsing the public key, it should only affect the rendering of pubkey block, but still render the rest of the message normally.

I think so

[DenBond7]

[tomholub]

@DenBond7 I think PGPainless rejected the public key correctly. So the only task here is to make sure that when parsing of public keys fails or they fail verification, it does not affect the whole rendering.

In this case, best would be to render everything as it was on the left, but in stead of the public key part, add a red box with This message contained a Public Key that was not valid:\n\n${e::class.name}: ${e.message}

[DenBond7]

In this case, best would be to render everything as it was on the left, but in stead of the public key part, add a red box with This message contained a Public Key that was not valid:\n\n${e::class.name}: ${e.message}

I will show something like this one