Add ConditionalLink component to handle local and external links differently in cells

partials/ConditionalLink.vue

+<template lang="pug">
+  span
+    router-link(v-if="isLocal && routerTo", :to="routerTo")
+      slot
+    a(v-else, :href="url", target="_blank")
+      slot
+</template>
+
+<script>
+  import qs from 'qs'
+  export default {
+    props: {
+      url: String
+    },
+    computed: {
+      isLocal () {
+        return this.url && (this.url.indexOf(process.env.UI_HOST) === 0 || this.url[0] === '/')
+      },
+      routerTo () {
+        let url
+        try {
+          url = new URL(this.url)
+        }
+        catch (e) {
+          if (this.url) {
+            const parts = this.url.split('?')
+            url = {
+              pathname: parts[0],
+              search: parts.length > 1 ? `?${parts[1]}` : ''
+            }
+          }
+        }
+        if (url) {
+          const query = url.search.length ? qs.parse(url.search.substr(1)) : undefined
+          return {
+            path: url.pathname,
+            query: query
+          }
+        }
+        else return {}
+      }
+    }
+  }
+</script>