layout: Don't update pseudoSize after window moved by mouse. (#3873)

src/layout/IHyprLayout.cpp

@@ -427,6 +427,7 @@ void IHyprLayout::changeWindowFloatingMode(CWindow* pWindow) {
         const auto PSAVEDSIZE = pWindow->m_vRealSize.goalv();
 
         // if the window is pseudo, update its size
+        if (!pWindow->m_bDraggingTiled)
             pWindow->m_vPseudoSize = pWindow->m_vRealSize.goalv();
 
         pWindow->m_vLastFloatingSize = PSAVEDSIZE;