Merge branch '799-move-haystack-search-data-template-for-room-model-from-chronos-to-core' into 'master'

Resolve "Move haystack search data template for Room model from Chronos to Core"

Closes #799

See merge request !1174

Resolve "Changing the language doesn't affect the Django language"

Closes #783

See merge request !1163

Resolve "Error page broken in ObjectOverview"

Closes #794

See merge request !1169

Resolve "Sidenav button broken"

Closes #795

See merge request !1170

Resolve "EditDashboardView permission check broken"

Closes #773

See merge request !1162

# Conflicts:
#   CHANGELOG.rst

Resolve "[Service Worker] Safari does not support BroadcastChannel API"

Closes #496

See merge request !1161

# Conflicts:
#   aleksis/core/frontend/components/app/App.vue

Reformat Vue code

See merge request !1167

Resolve "No redirect to login form on missing permissions in Vue app"

Closes #786

See merge request !1159

Merge branch '790-iframe-height-is-sometimes-not-set-updated-correctly-in-legacybasetemplate' into 'master'

Resolve "IFrame height is sometimes not set/updated correctly in LegacyBaseTemplate"

Closes #790

See merge request !1160

Merge branch 'master' into '790-iframe-height-is-sometimes-not-set-updated-correctly-in-legacybasetemplate'

# Conflicts:
#   CHANGELOG.rst

Resolve "Identicon is not shown even it should be"

Closes #784

See merge request !1165

Translations update from Weblate

See merge request !1156

Currently translated at 100.0% (115 of 115 strings)

Translation: AlekSIS/AlekSIS-Core-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core-frontend/uk/

Currently translated at 100.0% (114 of 114 strings)

Translation: AlekSIS/AlekSIS-Core-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core-frontend/uk/

Translations update from Weblate

See merge request !1158

Currently translated at 100.0% (638 of 638 strings)

Translation: AlekSIS/AlekSIS-Core
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core/uk/

Revert "Merge branch 'renovate/django-phonenumber-field-7.x' into 'master'"

See merge request !1157

This reverts merge request !1093

By the powers of the almighty Aleksolotl

See merge request !1152

Update dependency django-phonenumber-field to v7

See merge request !1093

Update dependency django-maintenance-mode to ^0.18.0

See merge request !1116

Update dependency django-allauth to ^0.52.0

See merge request !1134

Bump dev version to 3.0.dev3

See merge request !1153