Start process: Make the title optional (#5580)

* Make the title optional

* Add the title on demoshell

* Remove the mat card and css

* Fix scss

lib/process-services/src/lib/process-list/components/start-process.component.ts

@@ -50,6 +50,9 @@ export class StartProcessInstanceComponent implements OnChanges, OnInit, OnDestr
     @Input()
     appId: number;
 
+    @Input()
+    title: string;
+
     /** (optional) Definition name of the process to start. */
     @Input()
     processDefinitionName: string;