src/vs/workbench/contrib/terminal/browser/terminalInstance.ts/TerminalInstance/pasteSelection
class TerminalInstance:	async pasteSelection(): Promise<void> {
		if (!this.xterm) {
			return;
		}

		const currentText: string = await this._clipboardService.readText('selection');
		if (!await this._shouldPasteText(currentText)) {
			return;
		}

		this.focus();
		this.xterm.raw.paste(currentText);
	}