[idd] common: use CSRWLock throughout the drivers

Make CSRWLock own the native lock and provide scoped guards for shared,
exclusive, early-unlock, and non-blocking use.

Replace direct SRW lock management throughout the IDD, input driver,
and helper while preserving the existing lock scopes.

idd/LGIdd/d3d/CD3D12CommandQueue.cpp

@@ -575,7 +575,7 @@ void CD3D12CommandQueue::WaitForIdle()
 bool CD3D12CommandQueue::Submit(CD3D12CommandSlot& slot)
 {
   bool result = false;
-  AcquireSRWLockExclusive(&m_submitLock);
+  CSRWExclusiveLock lock(m_submitLock);
 
   do
   {
@@ -636,7 +636,6 @@ bool CD3D12CommandQueue::Submit(CD3D12CommandSlot& slot)
   }
   while (false);
 
-  ReleaseSRWLockExclusive(&m_submitLock);
   return result;
 }