PLT-2712 Added view members for non-admins in channel and team (#3618)

* Added view members for non-admins in channel and team

* changed variable name

webapp/components/user_list_row.jsx

@@ -17,16 +17,19 @@ export default function UserListRow({user, teamMember, actions, actionProps}) {
         name = `${Utils.getFullName(user)} (@${user.username})`;
     }
 
-    const buttons = actions.map((Action, index) => {
-        return (
-            <Action
-                key={index.toString()}
-                user={user}
-                teamMember={teamMember}
-                {...actionProps}
-            />
-        );
-    });
+    let buttons = null;
+    if (actions) {
+        buttons = actions.map((Action, index) => {
+            return (
+                <Action
+                    key={index.toString()}
+                    user={user}
+                    teamMember={teamMember}
+                    {...actionProps}
+                />
+            );
+        });
+    }
 
     return (
         <div