Update the metadata widget to inherit from large_image

Before we were largely replacing Girder's value to get the option to use
the widget within a panel.

Author: manthey

histomicsui/web_client/package.json

@@ -38,7 +38,7 @@
         "petite-vue": "^0.4.1",
         "sinon": "^2.1.0",
         "tinycolor2": "~1.4.1",
-        "url-search-params-polyfill": "~8.1.1",
+        "url-search-params-polyfill": "^8.1.1",
         "vue": "~2.6.14",
         "vue-template-compiler": "~2.6.14",
         "vue-loader": "~15.9.8",