Fix ResourceController to handle suspend property when no webView
Fix ResourceController to handle suspend property when no webView

No webView happens a short period of time during browser
launch and a stable state when all tabs have been closed.

We can emit webViewSuspended also when we don't have webView
as it is only used to close network session.

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