MOVE_EDITOR context not used when dragging between groups

Fix #104535

src/vs/workbench/browser/parts/editor/editorDropTarget.ts

@@ -12,7 +12,7 @@ import { IThemeService, Themable } from 'vs/platform/theme/common/themeService';
 import { activeContrastBorder } from 'vs/platform/theme/common/colorRegistry';
 import { IEditorIdentifier, EditorInput, EditorOptions } from 'vs/workbench/common/editor';
 import { isMacintosh, isWeb } from 'vs/base/common/platform';
-import { GroupDirection, MergeGroupMode } from 'vs/workbench/services/editor/common/editorGroupsService';
+import { GroupDirection, MergeGroupMode, OpenEditorContext } from 'vs/workbench/services/editor/common/editorGroupsService';
 import { toDisposable } from 'vs/base/common/lifecycle';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
 import { RunOnceScheduler } from 'vs/base/common/async';
@@ -277,13 +277,13 @@ class DropOverlay extends Themable {
 						pinned: true,										// always pin dropped editor
 						sticky: sourceGroup.isSticky(draggedEditor.editor)	// preserve sticky state
 					}));
-					targetGroup.openEditor(draggedEditor.editor, options);
+					const copyEditor = this.isCopyOperation(event, draggedEditor);
+					targetGroup.openEditor(draggedEditor.editor, options, copyEditor ? OpenEditorContext.COPY_EDITOR : OpenEditorContext.MOVE_EDITOR);
 
 					// Ensure target has focus
 					targetGroup.focus();
 
 					// Close in source group unless we copy
-					const copyEditor = this.isCopyOperation(event, draggedEditor);
 					if (!copyEditor) {
 						sourceGroup.closeEditor(draggedEditor.editor);
 					}