refactor: display TLS

* refactor(backend): fix duplicated process req
* feat: clean db leftovers
* detect properly duplicated port
* refactor: store id_vm + port
* refactor(test): check port conflict
* refactor(test): copy config for mock domains
* check enforce limits properly
* check better port conflicts
* fix(install): correct id_vm
* properly test TLS
* : store port and vm to check duplicates
* show displays TLS
* clean cache when desconnecting VMs
* test: allow link sizes attribute
* test(displays): check gone TLS display when migrating
* install: clean ports before create index
* test ports with rvd_back running
* make sure there is an n_order field
*test ports and unload nbd when testing spinoff
* install: clean duplicated indexes
* refactor(test): tet mojo in background
* refactor(frontend): hide display URL unless port
* vlc no TLS
* refactor(test): clean iptables after test
* refactor(ports): improved fix conflict
* refactor(ports): manage secondary displays
* refactor: remove display_file pre-generated
* cache connections only if writeable
* user may have been removed
* retry 10 times to solve conflict

Add to vm_options.html.ep the Shutdown Timeout

* Shutdown Timeout text string added to es.po en.po and ca.po
* added the shutdown timeout text string on en.po es.po ca.po

Also show all pool machines are started if volatile

feat: add option to start all clones sequentially

* Adds Exec Time param

* Maybe exec-time of start/stop clones works on Firefox

* Disable buttons if start/stop time is in the past

Currently translated at 100.0% (286 of 286 strings)

Translation: RavadaVDI/translation
Translate-URL: https://hosted.weblate.org/projects/ravada/translation/pt/



Co-authored-by: ssantos <ssantos@web.de>

* Translated using Weblate (Valencian)

Currently translated at 100.0% (286 of 286 strings)

Translation: RavadaVDI/translation
Translate-URL: https://hosted.weblate.org/projects/ravada/translation/ca@valencia/

* Translated using Weblate (Chinese (Simplified))

Currently translated at 100.0% (286 of 286 strings)

Translation: RavadaVDI/translation
Translate-URL: https://hosted.weblate.org/projects/ravada/translation/zh_Hans/

* Translated using Weblate (Chinese (Simplified))

Currently translated at 100.0% (286 of 286 strings)

Translation: RavadaVDI/translation
Translate-URL: https://hosted.weblate.org/projects/ravada/translation/zh_Hans/



Co-authored-by: Mtech <dudexuhuh@zetmail.com>
Co-authored-by: Bigtree zhang <xiaohua1021@gmail.com>

issue #1500

Merge branch 'feat/1500_listusers/develop' of https://github.com/robertperez-upc/ravada into robertperez-upc-feat/1500_listusers/develop

issue #1534

 test: check NBD is unloaded after run the test

Two storage pools with the same name may point to
different mount points.

Changed the favicon.ico and background image

fix(volumes): check file exists when linked

* test(volumes): check when files are linked

issue #1524

PR #1513

feat(auth): SSO Auth

Merge branch 'feat/1500_resetpasswd/develop' of https://github.com/robertperez-upc/ravada into develop