The 'name' attribute must be unique for each radioBlock. A solution that
worked for me (in a different case, such as in JENKINS-5028
https://issues.jenkins-ci.org/browse/JENKINS-5028 ) was to add a unique
generated string to the name attribute. In my case I concatenated
${instance.hashCode()} to
Sorry, but your solution breaks the radio block. All the buttons in a block
must have the same name in order to be grouped into a single selection.
Since /generateId()/ creates a unique id for each radio button, you just get
multiple radio blocks (each containing a single button)
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