Updated UI. Fixed circle search performance.

JSMR.UI.Blazor/wwwroot/svg/flag-jp.svg

@@ -0,0 +1,11 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-jp" viewBox="0 0 640 480">
+  <defs>
+    <clipPath id="a">
+      <path fill-opacity=".7" d="M-88 32h640v480H-88z"/>
+    </clipPath>
+  </defs>
+  <g fill-rule="evenodd" stroke-width="1pt" clip-path="url(#a)" transform="translate(88 -32)">
+    <path fill="#fff" d="M-128 32h720v480h-720z"/>
+    <circle cx="523.1" cy="344.1" r="194.9" fill="#bc002d" transform="translate(-168.4 8.6) scale(.76554)"/>
+  </g>
+</svg>