FIX #00000 TIME 0:15 fix load diffusion list

(cherry picked from commit daa9a874)

src/frontend/app/indexation/indexing-form/indexing-form.component.ts

@@ -885,6 +885,7 @@ export class IndexingFormComponent implements OnInit {
     async loadForm(indexModelId: number, saveResourceState: boolean = true) {
         this.loading = true;
 
+        this.customDiffusion = [];
         this.indexingFormId = indexModelId;
 
         await this.resetForm();