shared: include vector header (#335)

Fixes error `no matching function for call to 'erase_if'` on llvm/musl

Author: LinuxUserGD

src/shared/ToplevelMappingManager.cpp

@@ -1,5 +1,6 @@
 #include "ToplevelMappingManager.hpp"
 #include "../helpers/Log.hpp"
+#include <vector>
 
 CToplevelMappingManager::CToplevelMappingManager(SP<CCHyprlandToplevelMappingManagerV1> mgr) : m_pManager(mgr) {
     Debug::log(LOG, "[toplevel mapping] registered manager");