Check for empty parameters needed an awkward helper function to work

properly

apps/web/src/app/workspaces/components/capability-request/components/parameters/parameters.component.html

 <div id="parameters-container" class="container-fluid rounded-top rounded-3 p-3">
-  <div *ngIf="capabilityRequest.parameters.length > 0; else noParametersMessage">
+  <div *ngIf="isEmpty(capabilityRequest.parameters) === false; else noParametersMessage">
     <div class="row my-2" *ngFor="let parameter of capabilityRequest.parameters | keyvalue">
       <div class="col">
         <span class="rounded-pill px-2 py-1 argument-key">{{ parameter.key }}</span>

apps/web/src/app/workspaces/components/capability-request/components/parameters/parameters.component.ts

 import { Component, Input, OnInit } from "@angular/core";
 import { CapabilityRequest } from "../../../../model/capability-request";
+import { JsonObject } from "@angular/compiler-cli/ngcc/src/packages/entry_point";
 
 @Component({
   selector: "app-parameters",
@@ -12,4 +13,20 @@ export class ParametersComponent implements OnInit {
   constructor() {}
 
   ngOnInit(): void {}
+
+  /**
+   * Check if JsonObject is empty
+   * Taken from: https://stackoverflow.com/questions/679915/how-do-i-test-for-an-empty-javascript-object
+   * @param obj  Object to be checked
+   * @return boolean  true if object is empty; else false
+   */
+  isEmpty(obj: JsonObject): boolean {
+    for (const prop in obj) {
+      if (obj.hasOwnProperty(prop)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
 }