filter tree: properly display huge multiline rules

css/prefs.less

@@ -76,6 +76,10 @@ body.ttrss_prefs {
 		width : 575px;
 	}
 
+	#filterTree .filterRules * {
+		white-space: normal;
+	}
+
 	table.prefPluginsList td label, table.prefUserList td {
 		cursor : pointer;
 	}