user_profile: Rename classes for user and group lists.

- Replace stream with channel.
- Use dashes in names.
- Fix some very confusing wording.

web/src/user_profile.ts

@@ -1462,7 +1462,7 @@ export function initialize(): void {
         hide_user_profile();
     });
 
-    $("body").on("click", "#user-profile-modal .stream_list_item", () => {
+    $("body").on("click", "#user-profile-modal .user-profile-channel-list-item", () => {
         hide_user_profile();
     });
 

web/templates/user_group_list_item.hbs

@@ -1,5 +1,5 @@
 <tr data-group-id="{{group_id}}">
-    <td class="group_list_item">
+    <td class="user-profile-group-row">
         {{#if is_guest}}
             {{name}}
         {{else}}

web/templates/user_stream_list_item.hbs

@@ -1,9 +1,9 @@
 <tr data-stream-id="{{stream_id}}">
-    <td class="subscription_list_stream">
+    <td class="user-profile-channel-row">
         <span class="stream-privacy-original-color-{{stream_id}} stream-privacy filter-icon" style="color: {{stream_color}}">
             {{> stream_privacy . }}
         </span>
-        <a class = "stream_list_item" href="{{stream_edit_url}}">{{name}}</a>
+        <a class="user-profile-channel-list-item" href="{{stream_edit_url}}">{{name}}</a>
     </td>
     {{#if show_unsubscribe_button}}
     <td class="remove_subscription">