renderer: fix uv calculations once and for all (#11770)

fixes synchronization of ackd sizes, fixes wrong xdg stuff

src/protocols/types/SurfaceState.cpp

@@ -97,4 +97,7 @@ void SSurfaceState::updateFrom(SSurfaceState& ref) {
 
     if (ref.updated.bits.acquire)
         acquire = ref.acquire;
+
+    if (ref.updated.bits.acked)
+        ackedSize = ref.ackedSize;
 }

src/protocols/types/SurfaceState.hpp

@@ -20,6 +20,7 @@ struct SSurfaceState {
             bool offset : 1;
             bool viewport : 1;
             bool acquire : 1;
+            bool acked : 1;
         } bits;
     } updated;
 
@@ -37,6 +38,9 @@ struct SSurfaceState {
     Vector2D size, bufferSize;
     Vector2D offset;
 
+    // for xdg_shell resizing
+    Vector2D ackedSize;
+
     // viewporter protocol surface state
     struct {
         bool     hasDestination = false;