Fixes following threads design implementation review (#7100)

src/i18n/strings/en_EN.json

@@ -1573,7 +1573,7 @@
     "Key request sent.": "Key request sent.",
     "<requestLink>Re-request encryption keys</requestLink> from your other sessions.": "<requestLink>Re-request encryption keys</requestLink> from your other sessions.",
     "Message Actions": "Message Actions",
-    "Thread": "Thread",
+    "Reply in thread": "Reply in thread",
     "This message cannot be decrypted": "This message cannot be decrypted",
     "Encrypted by an unverified session": "Encrypted by an unverified session",
     "Unencrypted": "Unencrypted",
@@ -1864,7 +1864,6 @@
     "%(count)s people|one": "%(count)s person",
     "Show files": "Show files",
     "Export chat": "Export chat",
-    "Show threads": "Show threads",
     "Share room": "Share room",
     "Room settings": "Room settings",
     "Trusted": "Trusted",
@@ -3012,6 +3011,7 @@
     "All threads": "All threads",
     "Shows all threads from current room": "Shows all threads from current room",
     "Show:": "Show:",
+    "Thread": "Thread",
     "Tried to load a specific point in this room's timeline, but you do not have permission to view the message in question.": "Tried to load a specific point in this room's timeline, but you do not have permission to view the message in question.",
     "Tried to load a specific point in this room's timeline, but was unable to find it.": "Tried to load a specific point in this room's timeline, but was unable to find it.",
     "Failed to load timeline position": "Failed to load timeline position",