workbench: add commands to move editor to start and end (#284999)

Implements actions to move the active editor to the start (index 0) or end of the group. Both commands are registered in the Command Palette as requested, avoiding context menu clutter.

Author: kheif

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

@@ -32,7 +32,7 @@ import {
 	CloseLeftEditorsInGroupAction, OpenNextEditor, OpenPreviousEditor, NavigateBackwardsAction, NavigateForwardAction, NavigatePreviousAction, ReopenClosedEditorAction,
 	QuickAccessPreviousRecentlyUsedEditorInGroupAction, QuickAccessPreviousEditorFromHistoryAction, ShowAllEditorsByAppearanceAction, ClearEditorHistoryAction, MoveEditorRightInGroupAction, OpenNextEditorInGroup,
 	OpenPreviousEditorInGroup, OpenNextRecentlyUsedEditorAction, OpenPreviousRecentlyUsedEditorAction, MoveEditorToPreviousGroupAction,
-	MoveEditorToNextGroupAction, MoveEditorToFirstGroupAction, MoveEditorLeftInGroupAction, ClearRecentFilesAction, OpenLastEditorInGroup,
+	MoveEditorToNextGroupAction, MoveEditorToFirstGroupAction, MoveEditorLeftInGroupAction, MoveEditorToStartAction, MoveEditorToEndAction, ClearRecentFilesAction, OpenLastEditorInGroup,
 	ShowEditorsInActiveGroupByMostRecentlyUsedAction, MoveEditorToLastGroupAction, OpenFirstEditorInGroup, MoveGroupUpAction, MoveGroupDownAction, FocusLastGroupAction, SplitEditorLeftAction, SplitEditorRightAction,
 	SplitEditorUpAction, SplitEditorDownAction, MoveEditorToLeftGroupAction, MoveEditorToRightGroupAction, MoveEditorToAboveGroupAction, MoveEditorToBelowGroupAction, CloseAllEditorGroupsAction,
 	JoinAllGroupsAction, FocusLeftGroup, FocusAboveGroup, FocusRightGroup, FocusBelowGroup, EditorLayoutSingleAction, EditorLayoutTwoColumnsAction, EditorLayoutThreeColumnsAction, EditorLayoutTwoByTwoGridAction,
@@ -225,6 +225,8 @@ registerAction2(MinimizeOtherGroupsHideSidebarAction);
 
 registerAction2(MoveEditorLeftInGroupAction);
 registerAction2(MoveEditorRightInGroupAction);
+registerAction2(MoveEditorToStartAction);
+registerAction2(MoveEditorToEndAction);
 
 registerAction2(MoveGroupLeftAction);
 registerAction2(MoveGroupRightAction);

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

@@ -2053,6 +2053,30 @@ export class MoveEditorRightInGroupAction extends ExecuteCommandAction {
 	}
 }
 
+export class MoveEditorToStartAction extends ExecuteCommandAction {
+
+	constructor() {
+		super({
+			id: 'workbench.action.moveEditorToStart',
+			title: localize2('moveEditorToStart', 'Move Editor to Start'),
+			f1: true,
+			category: Categories.View
+		}, MOVE_ACTIVE_EDITOR_COMMAND_ID, { to: 'first' } satisfies SelectedEditorsMoveCopyArguments);
+	}
+}
+
+export class MoveEditorToEndAction extends ExecuteCommandAction {
+
+	constructor() {
+		super({
+			id: 'workbench.action.moveEditorToEnd',
+			title: localize2('moveEditorToEnd', 'Move Editor to End'),
+			f1: true,
+			category: Categories.View
+		}, MOVE_ACTIVE_EDITOR_COMMAND_ID, { to: 'last' } satisfies SelectedEditorsMoveCopyArguments);
+	}
+}
+
 export class MoveEditorToPreviousGroupAction extends ExecuteCommandAction {
 
 	constructor() {