files: escape special chars for metadata loading to prevent breaking url with chars like #, <.

- fixes  #5672

rhodecode/lib/helpers.py

@@ -337,11 +337,13 b' def files_breadcrumbs(repo_name, repo_ty'
 
 
 def files_url_data(request):
+    import urllib
     matchdict = request.matchdict
 
     if 'f_path' not in matchdict:
         matchdict['f_path'] = ''
-
+    else:
+        matchdict['f_path'] = urllib.quote(matchdict['f_path'])
     if 'commit_id' not in matchdict:
         matchdict['commit_id'] = 'tip'