[Add forge now] Create a message panel for non logged user

In the submission form view, display a message panel for non logged user to inform that the add forge now feature needs to be logged in

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Migrated from T4012 (view on Phabricator)

added priority:Normal + 1 deleted label

changed title from [Add forge now Submission form] Create a message panel for non logged user to [Add forge now] Create a message panel for non logged user

added state:wip label

assigned to @jayeshv

mentioned in commit swh/devel/swh-web@e9933448

mentioned in commit swh/devel/swh-web@6c96f964

removed state:wip label

closed

marked this issue as related to #4067 (closed)

marked this issue as related to #4070