hgview #19194 Add full support for mq (navigation) [validation pending]

Create a new dialog that:

  • display the full queue of patches,
  • for each patch, display the list of impacted files,
  • navigate file content with/without patch applied,
  • support history for each patch if mq has been created with revision support for patches (qinit -c)
appeared in<not specified>
done in1.5.0
load left0.000
closed by#29e1b3984822 [core] improve mq support (closes #19194)