src/vs/workbench/contrib/files/browser/views/openEditorsView.ts/OpenEditorsView/renderHeaderTitle
class OpenEditorsView:	protected override renderHeaderTitle(container: HTMLElement): void {
		super.renderHeaderTitle(container, this.title);

		const count = dom.append(container, $('.count'));
		this.dirtyCountElement = dom.append(count, $('.dirty-count.monaco-count-badge.long'));

		this._register((attachStylerCallback(this.themeService, { badgeBackground, badgeForeground, contrastBorder }, colors => {
			const background = colors.badgeBackground ? colors.badgeBackground.toString() : '';
			const foreground = colors.badgeForeground ? colors.badgeForeground.toString() : '';
			const border = colors.contrastBorder ? colors.contrastBorder.toString() : '';

			this.dirtyCountElement.style.backgroundColor = background;
			this.dirtyCountElement.style.color = foreground;

			this.dirtyCountElement.style.borderWidth = border ? '1px' : '';
			this.dirtyCountElement.style.borderStyle = border ? 'solid' : '';
			this.dirtyCountElement.style.borderColor = border;
		})));

		this.updateDirtyIndicator();
	}