Fix #66184 - nicer display for very long terminal setting

src/vs/workbench/parts/preferences/browser/settingsTreeModels.ts

@@ -71,6 +71,8 @@ export class SettingsTreeNewExtensionsElement extends SettingsTreeElement {
 }
 
 export class SettingsTreeSettingElement extends SettingsTreeElement {
+	private static MAX_DESC_LINES = 20;
+
 	setting: ISetting;
 
 	private _displayCategory: string;
@@ -164,7 +166,13 @@ export class SettingsTreeSettingElement extends SettingsTreeElement {
 		}
 
 		this.overriddenScopeList = overriddenScopeList;
+		if (this.setting.description.length > SettingsTreeSettingElement.MAX_DESC_LINES) {
+			const truncatedDescLines = this.setting.description.slice(0, SettingsTreeSettingElement.MAX_DESC_LINES);
+			truncatedDescLines.push('[...]');
+			this.description = truncatedDescLines.join('\n');
+		} else {
 			this.description = this.setting.description.join('\n');
+		}
 
 		if (this.setting.enum && (!this.setting.type || settingTypeEnumRenderable(this.setting.type))) {
 			this.valueType = SettingValueType.Enum;