src/vs/workbench/contrib/webview/electron-sandbox/webviewElement.ts/ElectronWebviewElement/updateFind
class ElectronWebviewElement:	public override updateFind(value: string) {
		if (!value || !this.element) {
			return;
		}

		// FindNext must be true for a first request
		const options: FindInFrameOptions = {
			forward: true,
			findNext: true,
			matchCase: false
		};

		this._iframeDelayer.trigger(() => {
			this._findStarted = true;
			this._webviewMainService.findInFrame({ windowId: this.nativeHostService.windowId }, this.id, value, options);
		});
	}