Clear hotlist in more scenarios

* Clear when switching away from a buffer
 * Clear when sending a message to a buffer

js/glowingbear.js

@@ -436,6 +436,11 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
         if (utils.isMobileUi()) {
             $scope.hideSidebar();
         }
+
+        // Clear the hotlist for this buffer, because presumable you have read
+        // the messages in this buffer before you switched to the new one
+        connection.sendHotlistClear();
+
         return models.setActiveBuffer(bufferId, key);
     };
 

js/inputbar.js

@@ -104,6 +104,9 @@ weechat.directive('inputBar', function() {
                     $scope.command = '';
                 }
 
+                // Presumable we are reading the messages if we are sending.
+                connection.sendHotlistClear();
+
                 $scope.getInputNode().focus();
             };