Simplify Composer buttons (#7678)

* Render a CollapsibleButton's children (needed by UploadButton)

* Make UploadButton ready to live inside an overflow menu

* Always show overflow menu in composer: main buttons are emoji and attach

* Re-order composer buttons as per design

* Re-word composer button captions to be simple nouns

* Don't rotate More options button when clicked

* Move the composer menu and dialogs 16px in from right

* Reduce shadow on composer More menu

* From review: remove else clause

* From review: take input out of button

* Update test snapshots

* Update snapshots

src/i18n/strings/en_EN.json

@@ -1694,13 +1694,12 @@
     "You do not have permission to post to this room": "You do not have permission to post to this room",
     "%(seconds)ss left": "%(seconds)ss left",
     "Send voice message": "Send voice message",
-    "Add emoji": "Add emoji",
-    "Upload file": "Upload file",
-    "Send a sticker": "Send a sticker",
-    "Hide Stickers": "Hide Stickers",
-    "Show Stickers": "Show Stickers",
+    "Emoji": "Emoji",
+    "Hide stickers": "Hide stickers",
+    "Sticker": "Sticker",
+    "Voice Message": "Voice Message",
     "You do not have permission to start polls in this room.": "You do not have permission to start polls in this room.",
-    "Create poll": "Create poll",
+    "Poll": "Poll",
     "Bold": "Bold",
     "Italics": "Italics",
     "Strikethrough": "Strikethrough",
@@ -2095,7 +2094,6 @@
     "Invalid file%(extra)s": "Invalid file%(extra)s",
     "Error decrypting image": "Error decrypting image",
     "Show image": "Show image",
-    "Sticker": "Sticker",
     "Image": "Image",
     "Join the conference at the top of this room": "Join the conference at the top of this room",
     "Join the conference from the room information card on the right": "Join the conference from the room information card on the right",
@@ -2153,10 +2151,11 @@
     "Submit logs": "Submit logs",
     "Can't load this message": "Can't load this message",
     "toggle event": "toggle event",
-    "Share location": "Share location",
+    "Location": "Location",
     "We couldn’t send your location": "We couldn’t send your location",
     "Element could not send your location. Please try again later.": "Element could not send your location. Please try again later.",
     "Could not fetch location": "Could not fetch location",
+    "Share location": "Share location",
     "Element was denied permission to fetch your location. Please allow location access in your browser settings.": "Element was denied permission to fetch your location. Please allow location access in your browser settings.",
     "Failed to fetch your location. Please try again later.": "Failed to fetch your location. Please try again later.",
     "Timed out trying to fetch your location. Please try again later.": "Timed out trying to fetch your location. Please try again later.",
@@ -2295,6 +2294,7 @@
     "%(oneUser)schanged the server ACLs %(count)s times|one": "%(oneUser)schanged the server ACLs",
     "%(severalUsers)schanged the <a>pinned messages</a> for the room %(count)s times.|other": "%(severalUsers)schanged the <a>pinned messages</a> for the room %(count)s times.",
     "%(oneUser)schanged the <a>pinned messages</a> for the room %(count)s times.|other": "%(oneUser)schanged the <a>pinned messages</a> for the room %(count)s times.",
+    "Create poll": "Create poll",
     "Create Poll": "Create Poll",
     "Failed to post poll": "Failed to post poll",
     "Sorry, the poll you tried to create was not posted.": "Sorry, the poll you tried to create was not posted.",
@@ -3280,7 +3280,6 @@
     "Commands": "Commands",
     "Command Autocomplete": "Command Autocomplete",
     "Community Autocomplete": "Community Autocomplete",
-    "Emoji": "Emoji",
     "Emoji Autocomplete": "Emoji Autocomplete",
     "Notify the whole room": "Notify the whole room",
     "Room Notification": "Room Notification",