fix reoder ressource

lib/Timeline.js

@@ -687,7 +687,7 @@ let Timeline = class Timeline extends lit_element_1.LitElement {
                     this.addRessource(src, idx - 1);
                 }
                 const idx = this.rows.findIndex((v) => v.id === srcId);
-                this.addRessources(movedContent.ressources, idx - 2);
+                this.addRessources(movedContent.ressources, idx - 1);
                 this.addEvents(movedContent.items);
                 this.dispatchEvent(new CustomEvent("reorder-ressource", {
                     detail: { ressources: this.rows },

src/Timeline.ts

@@ -816,7 +816,7 @@ class Timeline extends LitElement {
         }
         // Add moved children and associated slots
         const idx = this.rows.findIndex((v) => v.id === srcId);
-        this.addRessources(movedContent.ressources, idx - 2);
+        this.addRessources(movedContent.ressources, idx - 1);
         this.addEvents(movedContent.items);
         this.dispatchEvent(
           new CustomEvent("reorder-ressource", {