[FLINK-5444] [webfrontend] Rebuild HTML/JS files

This closes apache#3093.

flink-runtime-web/web-dashboard/web/index.html

@@ -23,13 +23,13 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>Apache Flink Web Dashboard</title>
-    <link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon.png">
-    <link rel="icon" type="image/png" href="/images/favicon-32x32.png" sizes="32x32">
-    <link rel="icon" type="image/png" href="/images/favicon-16x16.png" sizes="16x16">
-    <link rel="manifest" href="/images/manifest.json">
-    <link rel="mask-icon" href="/images/safari-pinned-tab.svg" color="#aa1919">
-    <link rel="shortcut icon" href="/images/favicon.ico">
-    <meta name="msapplication-config" content="/images/browserconfig.xml">
+    <link rel="apple-touch-icon" sizes="180x180" href="images/apple-touch-icon.png">
+    <link rel="icon" type="image/png" href="images/favicon-32x32.png" sizes="32x32">
+    <link rel="icon" type="image/png" href="images/favicon-16x16.png" sizes="16x16">
+    <link rel="manifest" href="images/manifest.json">
+    <link rel="mask-icon" href="images/safari-pinned-tab.svg" color="#aa1919">
+    <link rel="shortcut icon" href="images/favicon.ico">
+    <meta name="msapplication-config" content="images/browserconfig.xml">
     <meta name="theme-color" content="#ffffff">
     <link rel="stylesheet" href="css/vendor.css" type="text/css">
     <link rel="stylesheet" href="css/index.css" type="text/css">