[search addon] Upon replace, search from the start of selection

addon/search/search.js

@@ -196,7 +196,7 @@
           replaceAll(cm, query, text)
         } else {
           clearSearch(cm);
-          var cursor = getSearchCursor(cm, query, cm.getCursor());
+          var cursor = getSearchCursor(cm, query, cm.getCursor("from"));
           var advance = function() {
             var start = cursor.from(), match;
             if (!(match = cursor.findNext())) {