[sailfish-browser] Fix tab rectangle size. Contributes to JB#8152
[sailfish-browser] Fix tab rectangle size. Contributes to JB#8152

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