Fix: prevent loss of changes when switching between open docs (#10659)

src-ui/src/app/components/document-detail/document-detail.component.ts

@@ -442,7 +442,11 @@ export class DocumentDetailComponent
               )
             }
 
-            if (this.documentForm.dirty) {
+            // Prevent mutating stale form values into the next document: only sync if it still matches the active document.
+            if (
+              this.documentForm.dirty &&
+              (this.document?.id === openDocument.id || !this.document)
+            ) {
               Object.assign(openDocument, this.documentForm.value)
               openDocument['owner'] =
                 this.documentForm.get('permissions_form').value['owner']
@@ -489,7 +493,11 @@ export class DocumentDetailComponent
                   this.store.getValue().title !==
                   this.documentForm.get('title').value
                 ) {
-                  this.openDocumentService.setDirty(doc, true)
+                  this.openDocumentService.setDirty(
+                    doc,
+                    true,
+                    this.getChangedFields()
+                  )
                 }
               },
             })
@@ -682,6 +690,11 @@ export class DocumentDetailComponent
 
     this.documentForm.patchValue(docFormValues, { emitEvent: false })
     if (!this.userCanEdit) this.documentForm.disable()
+    setTimeout(() => {
+      // check again after a tick in case form was dirty
+      if (!this.userCanEdit) this.documentForm.disable()
+      else this.documentForm.enable()
+    }, 10)
   }
 
   get customFieldFormFields(): FormArray {