src/vs/workbench/contrib/feedback/browser/feedback.ts/FeedbackWidget/onSubmit
class FeedbackWidget:	private onSubmit(): void {
		if (!this.feedbackForm || !this.feedbackDescriptionInput || (this.feedbackForm.checkValidity && !this.feedbackForm.checkValidity())) {
			return;
		}

		this.feedbackDelegate.submitFeedback({
			feedback: this.feedbackDescriptionInput.value,
			sentiment: this.sentiment
		}, this.openerService);

		this.hide();
	}