REFAC: Use the new ImageMetadata class in place of KeywordList for sensor models

include/otbSARFFTCorrelationGridImageFilter.txx

@@ -252,8 +252,8 @@ namespace otb
 
     // RSTransform
     m_rsTransform = RSTransformType2D::New();
-    m_rsTransform->SetInputKeywordList(masterPtr->GetImageKeywordlist());
-    m_rsTransform->SetOutputKeywordList(slavePtr->GetImageKeywordlist());
+    m_rsTransform->SetInputImageMetadata(masterPtr->GetImageMetadata());
+    m_rsTransform->SetOutputImageMetadata(slavePtr->GetImageMetadata());
     m_rsTransform->InstantiateTransform();
 
     // Add GridSteps into KeyWordList