optimize performance - avoid GetActiveAccessibleCell call

pActiveAccessibleCell is only needed when the "FOCUSED" state
is being set. Many other states are also set with the SetState function.
Avoid the GetActiveAccessibleCell function call when processing
these states.

Change-Id: Ib317f0f4b290cc8d33f7af7f450e35c8b1f7f924
Reviewed-on: https://gerrit.libreoffice.org/21120Reviewed-by: Justin Luth <justin_luth@sil.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

svx/source/table/accessibletableshape.cxx

@@ -988,29 +988,27 @@ AccessibleCell* AccessibleTableShape::GetActiveAccessibleCell()
 //If current active cell is in editing, the focus state should be set to internal text
 bool AccessibleTableShape::SetState (sal_Int16 aState)
 {
-    AccessibleCell* pActiveAccessibleCell = GetActiveAccessibleCell();
-    bool bStateHasChanged = false;
-    if (aState == AccessibleStateType::FOCUSED && pActiveAccessibleCell != nullptr)
+    if( aState == AccessibleStateType::FOCUSED )
     {
-        return pActiveAccessibleCell->SetState(aState);
+        AccessibleCell* pActiveAccessibleCell = GetActiveAccessibleCell();
+        if( pActiveAccessibleCell != nullptr )
+            return pActiveAccessibleCell->SetState(aState);
     }
-    else
-        bStateHasChanged = AccessibleShape::SetState (aState);
-    return bStateHasChanged;
+
+    return AccessibleShape::SetState (aState);
 }
 
 //If current active cell is in editing, the focus state should be reset to internal text
 bool AccessibleTableShape::ResetState (sal_Int16 aState)
 {
-    AccessibleCell* pActiveAccessibleCell = GetActiveAccessibleCell();
-    bool bStateHasChanged = false;
-    if (aState == AccessibleStateType::FOCUSED && pActiveAccessibleCell != nullptr)
+    if( aState == AccessibleStateType::FOCUSED )
     {
-        return pActiveAccessibleCell->ResetState(aState);
+        AccessibleCell* pActiveAccessibleCell = GetActiveAccessibleCell();
+        if( pActiveAccessibleCell != nullptr )
+            return pActiveAccessibleCell->ResetState(aState);
     }
-    else
-        bStateHasChanged = AccessibleShape::ResetState (aState);
-    return bStateHasChanged;
+
+    return AccessibleShape::ResetState (aState);
 }
 
 bool AccessibleTableShape::SetStateDirectly (sal_Int16 aState)