Allow to send empty string via `sendKeys`
Allow to send empty string via `sendKeys`

It can be needed to focus on an element without changing its value.

hatroman/gemini,varya/gemini,racing-post/gemini,racing-post/gemini,pazone/gemini,gemini-testing/gemini,HDevel/gemini,HDevel/gemini,pazone/gemini,sergesemashko/gemini,varya/gemini,vladislav-sevostyanov/gemini