Set flex-shrink to 0 by default

tp-icon.js

@@ -1,6 +1,6 @@
 /**
 @license
-Copyright (c) 2022 trading_peter
+Copyright (c) 2026 trading_peter
 This program is available under Apache License Version 2.0
 */
 
@@ -20,6 +20,7 @@ class TpIcon extends Tooltip(LitElement) {
         -moz-user-select: none;
         -webkit-user-select: none;
         -ms-user-select: none;
+        flex-shrink: 0;
       }
 
       .wrap {