[sailfish-browser] Add empty textarea for testing prediction. Contributes to JB#13707
[sailfish-browser] Add empty textarea for testing prediction. Contributes to JB#13707

rojkov/sailfish-browser,rojkov/sailfish-browser,rojkov/sailfish-browser,alinelena/sailfish-browser,alinelena/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,alinelena/sailfish-browser,alinelena/sailfish-browser,sailfishos/sailfish-browser