fix: added editcount to reflect made changes (openscd#1321)

Signed-off-by: Stef3st <[email protected]>

Author: Stef3st

src/editors/substation/ied-editor.ts

@@ -27,6 +27,8 @@ export class IedEditor extends LitElement {
   /** The document being edited as provided to editor by [[`Zeroline`]]. */
   @property({ attribute: false })
   doc!: XMLDocument;
+  @property({ type: Number })
+  editCount = -1;
   /** SCL element IED */
   @property({ attribute: false })
   element!: Element;