Add release channel selector components, subject autocomplete, and related tests

- Implement components for `ReleaseChannelSelector`, including panel and sidebar variants.
- Add `ReleaseAssignmentSubjectAutocomplete` for user, subuser, and customer search functionality.
- Update i18n phrases for channel selector and subject assignment.
- Enhance unit and E2E tests for release channel availability, switching, and runtime configuration.
- Modify modules for channel-related state handling and runtime refresh mechanics.

src/i18n/locales/da.json

@@ -1627,9 +1627,10 @@
         "kicker": "Release Manager",
         "title": "Release-kanalen er ikke klar",
         "summary_prefix": "Din konto er tildelt",
-        "summary_suffix": ", men kanalen mangler den konfiguration, der skal bruges for at indlæse dens release-image.",
-        "frontend_url": "Frontend-URL",
-        "api_url": "API-URL",
+        "summary_suffix": ", men kanalen mangler et aktivt release-bundle.",
+        "release_bundle": "Release-bundle",
+        "frontend_version": "Frontend-version",
+        "api_version": "API-version",
         "checking_again": "Tjekker igen om {seconds}s",
         "refresh_error": "Release-status kunne ikke opdateres. Det næste automatiske tjek prøver igen.",
         "ignore": "Ignorer de næste 5 minutter",
@@ -1642,6 +1643,7 @@
         "title": "Du er nu på {channel}",
         "summary_prefix": "Din konto er blevet tildelt release-kanalen",
         "summary_suffix": "Denne enhed husker, at du har set denne besked.",
+        "bundle": "Bundle",
         "frontend": "Frontend",
         "api": "API",
         "frontend_version": "Frontend-version",
@@ -1652,6 +1654,17 @@
         "base_image": "Basis-image",
         "continue": "Fortsæt"
       },
+      "channel_selector": {
+        "title": "Release-kanal",
+        "subtitle": "Vælg hvilken tildelt release-kanal denne enhed skal bruge.",
+        "sidebar_title": "Release",
+        "default": "Standard",
+        "ready": "Klar",
+        "unavailable": "Ikke klar",
+        "release_bundle": "Release-bundle",
+        "frontend_version": "Frontend-version",
+        "api_version": "API-version"
+      },
       "common": {
         "yes": "ja",
         "no": "nej",
@@ -1801,6 +1814,18 @@
       "assignments": {
         "title": "Tildelinger",
         "subtitle": "Fastgør brugere, medarbejdere eller kunder til release-kanaler.",
+        "subject": "Emne",
+        "subject_message": "Søg efter brugere, medarbejdere eller kunder, eller skriv et manuelt emne som user:42.",
+        "subject_placeholder": "Søg eller skriv emne",
+        "subject_empty": "Ingen emner fundet",
+        "group_users": "Brugere",
+        "group_subusers": "Medarbejdere",
+        "group_customers": "Kunder",
+        "group_manual": "Manuel",
+        "manual_user": "Bruger #{id}",
+        "manual_subuser": "Medarbejder #{id}",
+        "manual_customer": "Kunde #{id}",
+        "manual_description": "Brug indtastet værdi {subject}",
         "subject_type": "Emnetype",
         "subject_type_message": "Vælg identitetstypen, der skal fastgøres.",
         "customer": "Kunde",