Flesh out channel member management

Co-authored-by: Mikayla <mikayla@zed.dev>

assets/icons/channels.svg

@@ -0,0 +1,6 @@
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<line x1="10.2795" y1="2.63847" x2="7.74785" y2="11.0142" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
+<line x1="6.26624" y1="2.99597" x2="3.7346" y2="11.3717" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
+<line x1="3.15982" y1="5.3799" x2="11.9098" y2="5.3799" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
+<line x1="2.0983" y1="8.62407" x2="10.8483" y2="8.62407" stroke="black" stroke-width="1.25" stroke-linecap="round"/>
+</svg>

assets/keymaps/default.json

@@ -550,6 +550,14 @@
       "alt-shift-f": "project_panel::NewSearchInDirectory"
     }
   },
+  {
+    "context": "ChannelModal",
+    "bindings": {
+      "left": "channel_modal::SelectNextControl",
+      "right": "channel_modal::SelectNextControl",
+      "tab": "channel_modal::ToggleMode"
+    }
+  },
   {
     "context": "Terminal",
     "bindings": {