wasm: use requestActive instead of activate

Task-number: QTBUG-74868
Change-Id: Ibbbac1ece66c8978440a282bf6949a82fb64d216
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>

src/plugins/platforms/wasm/qwasmeventtranslator.cpp

@@ -568,11 +568,8 @@ void QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven
     switch (eventType) {
     case EMSCRIPTEN_EVENT_MOUSEDOWN:
     {
-        if (window2) {
-            window2->raise();
-            if (!window2->isActive())
-                window2->requestActivate();
-        }
+        if (window2)
+            window2->requestActivate();
 
         pressedButtons.setFlag(button);