hide ISP if the panel content is empty

src/App.js

@@ -89,7 +89,11 @@ export default {
     sitename () { return this.$store.state.instance.name },
     chat () { return this.$store.state.chat.channel.state === 'joined' },
     suggestionsEnabled () { return this.$store.state.instance.suggestionsEnabled },
-    showInstanceSpecificPanel () { return this.$store.state.instance.showInstanceSpecificPanel },
+    showInstanceSpecificPanel () {
+      return this.$store.state.instance.showInstanceSpecificPanel &&
+        !this.$store.state.config.hideISP &&
+        this.$store.state.instance.instanceSpecificPanelContent
+    },
     showFeaturesPanel () { return this.$store.state.instance.showFeaturesPanel },
     isMobileLayout () { return this.$store.state.interface.mobileLayout }
   },

src/components/instance_specific_panel/instance_specific_panel.js

@@ -2,9 +2,6 @@ const InstanceSpecificPanel = {
   computed: {
     instanceSpecificPanelContent () {
       return this.$store.state.instance.instanceSpecificPanelContent
-    },
-    show () {
-      return !this.$store.state.config.hideISP
     }
   }
 }

src/components/instance_specific_panel/instance_specific_panel.vue

@@ -1,8 +1,5 @@
 <template>
-  <div
+  <div class="instance-specific-panel">
-    v-if="show"
-    class="instance-specific-panel"
-  >
     <div class="panel panel-default">
       <div class="panel-body">
         <!-- eslint-disable vue/no-v-html -->
@@ -14,6 +11,3 @@
 </template>
 
 <script src="./instance_specific_panel.js" ></script>
-
-<style lang="scss">
-</style>