use custom class for storage

connections.js

@@ -88,7 +88,7 @@ export class Connections extends HTMLElement {
     bGroup.addPrimary(this.text.add, () => {
       const path = edit.pageInput.value
       const access = edit.accessSelect.value
-      const exists = localStorage.getItem(path)
+      const exists = this.checkExists(path)
       if (!exists) {
         edit.error = 'doesntExist'
         return

page-settings.js

@@ -136,6 +136,16 @@ export class PageSettings extends HTMLElement {
     this.network.cspProfiles = value
   }
 
+  set checkExists(value) {
+    this._checkExists = value
+    this.outbound.checkExists = value
+    this.inbound.checkExists = value
+  }
+
+  get checkExists() {
+    return this._checkExists
+  }
+
   get language() {
     return this._language
   }