feat: Add localization for no recipients and no channels found messages

lib/l10n/app_en.arb

@@ -2938,6 +2938,16 @@
     "description": "Message when no contacts or rooms exist"
   },
 
+  "noRecipientsAvailable": "No recipients available",
+  "@noRecipientsAvailable": {
+    "description": "Message when no recipients exist (contacts, rooms, or channels)"
+  },
+
+  "noChannelsFound": "No channels found",
+  "@noChannelsFound": {
+    "description": "Message when no channels match the search"
+  },
+
   "messagesWillBeSentToPublicChannel": "Messages will be sent to public channel",
   "@messagesWillBeSentToPublicChannel": {
     "description": "Info message when only public channel is available"

lib/l10n/app_hr.arb

@@ -928,6 +928,8 @@
   "noContactsFound": "Nema kontakata",
   "noRoomsFound": "Nema soba",
   "noContactsOrRoomsAvailable": "Nema dostupnih kontakata ili soba",
+  "noRecipientsAvailable": "Nema dostupnih primatelja",
+  "noChannelsFound": "Nije pronađen nijedan kanal",
   "messagesWillBeSentToPublicChannel": "Poruke će biti poslane na javni kanal",
   "newMessage": "Nova poruka",
   "channel": "Kanal",

lib/l10n/app_sl.arb

@@ -932,6 +932,8 @@
   "noContactsFound": "Ni kontaktov",
   "noRoomsFound": "Ni sob",
   "noContactsOrRoomsAvailable": "Ni na voljo kontaktov ali sob",
+  "noRecipientsAvailable": "Ni na voljo prejemnikov",
+  "noChannelsFound": "Ni najdenih kanalov",
   "messagesWillBeSentToPublicChannel": "Sporočila bodo poslana na javni kanal",
   "newMessage": "Novo sporočilo",
   "channel": "Kanal",