Feature/pin close others (#82545)

* Pin the active editor when closing other editors

* Pin active editor when closing editors to right

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

@@ -606,6 +606,10 @@ function registerCloseEditorCommands() {
 						.map(context => typeof context.editorIndex === 'number' ? group.getEditor(context.editorIndex) : group.activeEditor);
 					const editorsToClose = group.editors.filter(e => editors.indexOf(e) === -1);
 
+					if (group.activeEditor) {
+						group.pinEditor(group.activeEditor);
+					}
+
 					return group.closeEditors(editorsToClose);
 				}
 
@@ -624,6 +628,10 @@ function registerCloseEditorCommands() {
 
 			const { group, editor } = resolveCommandsContext(editorGroupService, getCommandsContext(resourceOrContext, context));
 			if (group && editor) {
+				if (group.activeEditor) {
+					group.pinEditor(group.activeEditor);
+				}
+
 				return group.closeEditors({ direction: CloseDirection.RIGHT, except: editor });
 			}