make help work again

This is a regression from b2486241 I suspect
there might be more.

Change-Id: I9ffbcfb8d32b0b0b4193a86eee90d0a5f481de11

framework/source/services/frame.cxx

@@ -1772,7 +1772,7 @@ void SAL_CALL Frame::setLayoutManager(const css::uno::Reference<css::uno::XInter
 
     /* SAFE { */
         WriteGuard aWriteLock( m_aLock );
-            m_xLayoutManager.set(p1, css::uno::UNO_QUERY_THROW);
+            m_xLayoutManager.set(p1, css::uno::UNO_QUERY);
         aWriteLock.unlock();
     /* } SAFE */
 }

sfx2/source/appl/sfxhelp.cxx

@@ -534,7 +534,7 @@ SfxHelpWindow_Impl* impl_createHelp(Reference< XFrame2 >& rHelpTask   ,
     // otherwise - create new help task
     Reference< XFrame2 > xHelpTask(
         xDesktop->findFrame(  "OFFICE_HELP_TASK", FrameSearchFlag::TASKS | FrameSearchFlag::CREATE),
-        UNO_QUERY_THROW);
+        UNO_QUERY);
     if (!xHelpTask.is())
         return 0;
 
@@ -755,7 +755,7 @@ sal_Bool SfxHelp::Start_Impl(const OUString& rURL, const Window* pWindow, const
     // search must be done here; search one desktop level could return an arbitraty frame
     Reference< XFrame2 > xHelp(
         xDesktop->findFrame( "OFFICE_HELP_TASK", FrameSearchFlag::CHILDREN),
-        UNO_QUERY_THROW);
+        UNO_QUERY);
     Reference< XFrame > xHelpContent = xDesktop->findFrame(
         OUString("OFFICE_HELP"),
         FrameSearchFlag::CHILDREN);