[WindowsJumpList] Add new entry "Open new private window"

Closes #1155

src/lib/3rdparty/qtwin.cpp

@@ -393,6 +393,10 @@ void QtWin::AddTasksToList(ICustomDestinationList* destinationList)
                               app_path, "--new-window",
                               icons_source, 0));
 
+    obj_collection->AddObject(CreateShellLink(tr("Open new private window"), tr("Opens a new private window"),
+                              app_path, "--private-browsing",
+                              icons_source, 0));
+
     obj_collection->AddObject(CreateShellLink(tr("Open download manager"), tr("Opens a download manager if browser is running"),
                               app_path, "--download-manager",
                               icons_source, 0));

translations/empty.ts

@@ -3964,11 +3964,21 @@ Please install latest version of QupZilla.</source>
     </message>
     <message>
         <location filename="../src/lib/3rdparty/qtwin.cpp" line="396"/>
-        <source>Open download manager</source>
+        <source>Open new private window</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <location filename="../src/lib/3rdparty/qtwin.cpp" line="396"/>
+        <source>Opens a new private window</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/lib/3rdparty/qtwin.cpp" line="400"/>
+        <source>Open download manager</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/lib/3rdparty/qtwin.cpp" line="400"/>
         <source>Opens a download manager if browser is running</source>
         <translation type="unfinished"></translation>
     </message>