Various fixes for v13

module/applications/sheets/base-item-sheet.mjs

@@ -59,18 +59,15 @@ export default class LethalFantasyItemSheet extends HandlebarsApplicationMixin(f
   /** @override */
   async _prepareContext() {
     let context = await super._prepareContext()
-    const contextLocal = {
-      fields: this.document.schema.fields,
-      systemFields: this.document.system.schema.fields,
-      item: this.document,
-      system: this.document.system,
-      source: this.document.toObject(),
-      enrichedDescription: await foundry.applications.ux.TextEditor.implementation.enrichHTML(this.document.system.description, { async: true }),
-      isEditMode: this.isEditMode,
-      isPlayMode: this.isPlayMode,
-      isEditable: this.isEditable,
-    }
-    context = mergeObject(context, contextLocal)
+    context.fields = this.document.schema.fields
+    context.systemFields = this.document.system.schema.fields
+    context.item = this.document
+    context.system = this.document.system
+    context.source = this.document.toObject()
+    context.enrichedDescription = await foundry.applications.ux.TextEditor.implementation.enrichHTML(this.document.system.description, { async: true })
+    context.isEditMode = this.isEditMode
+    context.isPlayMode = this.isPlayMode
+    context.isEditable = this.isEditable
     return context
   }
 
@@ -97,7 +94,7 @@ export default class LethalFantasyItemSheet extends HandlebarsApplicationMixin(f
         dragover: this._onDragOver.bind(this),
         drop: this._onDrop.bind(this),
       }
-      return new DragDrop(d)
+      return new foundry.applications.ux.DragDrop.implementation(d)
     })
   }
 

module/applications/sheets/gift-sheet.mjs

@@ -19,10 +19,4 @@ export default class LethalFantasyGiftSheet extends LethalFantasyItemSheet {
     },
   }
 
-  /** @override */
-  async _prepareContext() {
-    const context = await super._prepareContext()
-    context.enrichedDescription = await foundry.applications.ux.TextEditor.implementation.enrichHTML(this.document.system.description, { async: true })
-    return context
-  }
 }