icons: Add clock icon

Sourced today from:
  https://www.figma.com/file/1JTNtYo9memgW7vV6d0ygq/Zulip-Mobile?node-id=164%3A10509&mode=dev

Output was processed using inkscape to expand the strokes to
paths and clean up unnecessary clipping.

Also refer to discussion in CZO:
  https://chat.zulip.org/#narrow/stream/101-design/topic/clock.20icons/near/1728373

Author: sirpengi

assets/icons/ZulipIcons.ttf

@@ -36,38 +36,41 @@ abstract final class ZulipIcons {
   /// The Zulip custom icon "chevron_right".
   static const IconData chevron_right = IconData(0xf104, fontFamily: "Zulip Icons");
 
+  /// The Zulip custom icon "clock".
+  static const IconData clock = IconData(0xf105, fontFamily: "Zulip Icons");
+
   /// The Zulip custom icon "globe".
-  static const IconData globe = IconData(0xf105, fontFamily: "Zulip Icons");
+  static const IconData globe = IconData(0xf106, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "group_dm".
-  static const IconData group_dm = IconData(0xf106, fontFamily: "Zulip Icons");
+  static const IconData group_dm = IconData(0xf107, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "hash_sign".
-  static const IconData hash_sign = IconData(0xf107, fontFamily: "Zulip Icons");
+  static const IconData hash_sign = IconData(0xf108, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "language".
-  static const IconData language = IconData(0xf108, fontFamily: "Zulip Icons");
+  static const IconData language = IconData(0xf109, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "lock".
-  static const IconData lock = IconData(0xf109, fontFamily: "Zulip Icons");
+  static const IconData lock = IconData(0xf10a, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "mute".
-  static const IconData mute = IconData(0xf10a, fontFamily: "Zulip Icons");
+  static const IconData mute = IconData(0xf10b, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "read_receipts".
-  static const IconData read_receipts = IconData(0xf10b, fontFamily: "Zulip Icons");
+  static const IconData read_receipts = IconData(0xf10c, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "star_filled".
-  static const IconData star_filled = IconData(0xf10c, fontFamily: "Zulip Icons");
+  static const IconData star_filled = IconData(0xf10d, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "topic".
-  static const IconData topic = IconData(0xf10d, fontFamily: "Zulip Icons");
+  static const IconData topic = IconData(0xf10e, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "unmute".
-  static const IconData unmute = IconData(0xf10e, fontFamily: "Zulip Icons");
+  static const IconData unmute = IconData(0xf10f, fontFamily: "Zulip Icons");
 
   /// The Zulip custom icon "user".
-  static const IconData user = IconData(0xf10f, fontFamily: "Zulip Icons");
+  static const IconData user = IconData(0xf110, fontFamily: "Zulip Icons");
 
   // END GENERATED ICON DATA
 }