I understand the the FF team want users to be secure-by-default but I need to use this plugin and hence need this set this to always enable (As the ask to enable setting breaks JDT auto-detection)
Surely there is some way but bypass this advisory.
EDIT: Found it (Though all the help on this topic is misleading)
Click on the lock (if an SSL enabled site) icon click "more information", select the permissions tab and finally tick "Java deployment toolkit" in the "Activate plugins" section
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