[DPE-1712] Enabled the user to fix network issues and rerun stanza related hooks #164
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Issue
The charm doesn't recovers automatically from a blocked state due to connection blocked by firewall rules after they are fixed neither allow the user to do some action to fix the blocked status.
Solution
Instead of setting a blocked status when any operation related to the stanza happens, raise an error, which enables the user to call
juju resolve
after the network issue is fixed.This was changed in three different places in case the connection is blocked in specific protocols, allowing one operation but timing out in the next one.
Closes #129.