decouple tabsmodel url from webview url

This commit makes it explicit when tabs model url is changing
url of the webview. Without such decoupling, it mobile google search
result was restored as a tab, clicking on search leads to change in url
and resets page back to its older state making it impossible
to a new enter search string

src/contents/ui/ListWebView.qml

@@ -45,6 +45,7 @@ Repeater {
         isMobileDefault: Kirigami.Settings.isMobile
         privateMode: privateTabsMode
         Component.onCompleted: tabsModel.loadInitialTabs()
+        signal loadTabsModel()
     }
 
     delegate: WebView {
@@ -54,7 +55,7 @@ Repeater {
             top: tabs.top
         }
         privateMode: tabs.privateTabsMode
-        url: model.pageurl
+        url: "about:empty"
         userAgent.isMobile: model.isMobile
         width: tabs.width
 
@@ -73,11 +74,18 @@ Repeater {
             tabsModel.setUrl(index, url);
         }
 
+        Component.onCompleted: url = model.pageurl
+
         Connections {
             target: webView.userAgent
             onUserAgentChanged: {
                 tabsModel.setIsMobile(index, webView.userAgent.isMobile);
             }
         }
+
+        Connections {
+            target: tabs.model
+            onLoadTabsModel: url = model.pageurl
+        }
     }
 }