Rename `NoKeyInPayloadException` as it's used in case "No key or invalid key type"

[vjik]

Now NoKeyInPayloadException throws when key not exist or key of invalid type.

[vjik]

Why close it? Issue is not resolved.

[s1lver]

Why close it? Issue is not resolved.

Hm, maybe I didn't understand what you mean

[vjik]

Hm, maybe I didn't understand what you mean

NoKeyInPayloadException can be throw when key exist in payload, but have invalid type. For example:

https://github.com/yiisoft/yii-queue-amqp/blob/29c2b4ea82e018c77417b130a0021a6ea27e91f6/src/MessageSerializer.php#L42-L45