added mode=ios to all headers in showcase

Author: kumibrr

core/src/components/header/test/condense-modal/index.html

@@ -49,7 +49,7 @@
         // create component to open
         const element = document.createElement('div');
         element.innerHTML = `
-      <ion-header translucent="true" id="smallTitleHeader">
+      <ion-header translucent="true" id="smallTitleHeader" mode="ios">
           <div style="position: absolute; left: 0; right: 0; bottom: 0">
             <img style="transform: rotate(180deg)" src="/src/components/header/test/img.jpg" />
           </div>