feat(newsfeed): Improved UI flow for the course newsfeed (#791)

* feat(newsfeed): improved the newsfeed ui

* feat(newsfeed): updated the ui

* feat(newsfeed): some improvements

* feat(newsfeed): cleanup

* chore(newsfeed): added translations

* fix(newsfeed): fixing comments and reviews from greptile and coderabbit

* fix(newsfeed): fixing comments and reviews from greptile and coderabbit, improved replies to a reply

* fix(newsfeed): fixing reviews

* fix(ui): expose cancelLabel prop in comment-tree-input and pass localized text

---------

Co-authored-by: Rotimi Best <best@classroomio.com>

apps/dashboard/src/lib/utils/translations/de.json

@@ -2260,13 +2260,32 @@
           "hide": "Kommentare ausblenden",
           "placeholder": "Klassenkommentar hinzufügen",
           "submit_aria": "Kommentar abgeben",
-          "delete": "Löschen"
+          "delete": "Löschen",
+          "reply": "Antwort",
+          "replying_to": "Auf @{name} antworten",
+          "cancel_reply": "Abbrechen",
+          "view_replies": "{count} {count, plural, =1 {reply} other {replies}} ansehen",
+          "hide_replies": "Antworten ausblenden",
+          "view_more": "Weitere Kommentare anzeigen ({count})",
+          "loading": "Laden...",
+          "save": "Speichern",
+          "saving": "Sparen...",
+          "send": "Senden",
+          "load_more_replies": "Weitere Antworten laden"
         },
         "card": {
           "pin": "Anheften",
           "unpin": "Lösen",
           "edit": "Bearbeiten",
           "delete": "Löschen"
+        },
+        "other_posts": "Andere Beiträge",
+        "user": "Benutzer",
+        "delete_modal": {
+          "title": "Feed löschen",
+          "description": "Möchten Sie diesen Feed wirklich löschen?",
+          "no": "Nein",
+          "yes": "Ja"
         }
       },
       "compliance": {