add Terminal: resize suggest widget size command (microsoft#236639)

fix microsoft#235091

Author: meganrogge

src/vs/workbench/contrib/terminalContrib/suggest/browser/terminal.suggest.contribution.ts

@@ -195,6 +195,12 @@ registerActiveInstanceAction({
 	run: (activeInstance) => TerminalSuggestContribution.get(activeInstance)?.addon?.requestCompletions(true)
 });
 
+registerActiveInstanceAction({
+	id: TerminalSuggestCommandId.ResetWidgetSize,
+	title: localize2('workbench.action.terminal.resetSuggestWidgetSize', 'Reset Suggest Widget Size'),
+	run: (activeInstance) => TerminalSuggestContribution.get(activeInstance)?.addon?.resetWidgetSize()
+});
+
 registerActiveInstanceAction({
 	id: TerminalSuggestCommandId.SelectPrevSuggestion,
 	title: localize2('workbench.action.terminal.selectPrevSuggestion', 'Select the Previous Suggestion'),

src/vs/workbench/contrib/terminalContrib/suggest/browser/terminalSuggestAddon.ts

@@ -231,6 +231,10 @@ export class SuggestAddon extends Disposable implements ITerminalAddon, ISuggest
 		this._screen = screen;
 	}
 
+	resetWidgetSize(): void {
+		this._suggestWidget?.resetWidgetSize();
+	}
+
 	async requestCompletions(explicitlyInvoked?: boolean): Promise<void> {
 		if (!this._promptInputModel) {
 			return;

src/vs/workbench/contrib/terminalContrib/suggest/common/terminal.suggest.ts

@@ -13,6 +13,7 @@ export const enum TerminalSuggestCommandId {
 	HideSuggestWidget = 'workbench.action.terminal.hideSuggestWidget',
 	ClearSuggestCache = 'workbench.action.terminal.clearSuggestCache',
 	RequestCompletions = 'workbench.action.terminal.requestCompletions',
+	ResetWidgetSize = 'workbench.action.terminal.resetSuggestWidgetSize',
 }
 
 export const defaultTerminalSuggestCommandsToSkipShell = [

src/vs/workbench/services/suggest/browser/simpleSuggestWidget.ts

@@ -290,6 +290,10 @@ export class SimpleSuggestWidget extends Disposable {
 		return this._completionModel?.items.length !== 0;
 	}
 
+	resetWidgetSize(): void {
+		this._persistedSize.reset();
+	}
+
 	showSuggestions(selectionIndex: number, isFrozen: boolean, isAuto: boolean, cursorPosition: { top: number; left: number; height: number }): void {
 		this._cursorPosition = cursorPosition;