WS-858: lay groundwork for fixing `create_follow_on_capability_request`.

CapabilityRequest.current_execution removed

• from .ts to match CapabilityRequest ORM. create_follow_on_capability_request fix still in progress. Tests to be addressed in next MR.

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

@@ -21,7 +21,7 @@
         class="btn btn-warning"
         (click)="
           capabilityLauncherService
-            .createImageRequestFromPreviousCal('std_cms_imaging', capabilityRequest.id)
+            .createImageRequestFromPreviousCal('std_cms_imaging', capabilityRequest.id, selectedVersion.version_number)
             .subscribe(followonRequestObserver)
         "
       >