feat: fallback ticket type

[ssiyad]

This PR will

• Apply a ticket type even if no default is specified
• Refactor common hooks in ticket controller

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.63 🎉

Comparison is base (75e655f) 12.87% compared to head (a077f97) 13.51%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1305      +/-   ##
==========================================
+ Coverage   12.87%   13.51%   +0.63%     
==========================================
  Files          52       54       +2     
  Lines        1848     1931      +83     
==========================================
+ Hits          238      261      +23     
- Misses       1610     1670      +60     

Impacted Files	Coverage Δ
helpdesk/__init__.py	100.00% <ø> (ø)
helpdesk/consts.py	100.00% <ø> (ø)
helpdesk/helpdesk/doctype/hd_agent/hd_agent.py	0.00% <ø> (ø)
helpdesk/helpdesk/doctype/hd_article/hd_article.py	0.00% <ø> (ø)
...hd_desk_account_request/hd_desk_account_request.py	0.00% <ø> (ø)
...k/doctype/hd_escalation_rule/hd_escalation_rule.py	0.00% <ø> (ø)
helpdesk/helpdesk/doctype/hd_ticket/hd_ticket.py	22.73% <ø> (+0.22%)	⬆️
...esk/doctype/hd_ticket_comment/hd_ticket_comment.py	0.00% <ø> (ø)
...k/doctype/hd_ticket_template/hd_ticket_template.py	0.00% <ø> (ø)
.../helpdesk/doctype/hd_ticket_type/hd_ticket_type.py	0.00% <ø> (ø)
... and 1 more

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.