broadcast event on new execution

ccp/js/executionformcontroller.js

@@ -141,6 +141,8 @@ class CCPExecutionForm extends HTMLElement{
       if(data.status !== "accepted"){
         throw "Execution has not been accepted by server"
       }
+      const event = new CustomEvent('newexecution', { detail: data.jobID });
+      document.dispatchEvent(event)
       this.#executionmonitor = document.querySelector("d4s-ccp-executionmonitor")
       if(this.#executionmonitor){
         this.#executionmonitor.addExecution( { self : data.links[0].href, events : [data], jobID : data.jobID, method : this.#data.title})