Fixed failing periodic physics tests (#1429)

AutomatedTesting/Gem/PythonTests/physics/C4044695_PhysXCollider_AddMultipleSurfaceFbx.py

@@ -102,7 +102,7 @@ def C4044695_PhysXCollider_AddMultipleSurfaceFbx():
     # 6) Check if multiple material slots show up under Materials section in the PhysX Collider component
     pte = collider_component.get_property_tree()
     def get_surface_count():
-        count = pte.get_container_count("Collider Configuration|Physics Material|Mesh Surfaces")
+        count = pte.get_container_count("Collider Configuration|Physics Materials|Slots")
         return count.GetValue()
 
     Report.result(

AutomatedTesting/Levels/Physics/C5340400_RigidBody_ManualMomentOfInertia/C5340400_RigidBody_ManualMomentOfInertia.ly

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b6e408095c15a388768b7f70b6049f33c894aab3e51f2d744bc1ae1d18668ee4
-size 9694
+oid sha256:824a51a375f19274d5698ff08af0fdc3dc18204505c73a943de748455d108b01
+size 6181

Code/Framework/AzFramework/AzFramework/Physics/Material.cpp

@@ -402,7 +402,7 @@ namespace Physics
                         ->Attribute(AZ_CRC_CE("EditButton"), "")
                         ->Attribute(AZ_CRC_CE("EditDescription"), "Open in Asset Editor")
                         ->Attribute(AZ::Edit::Attributes::DefaultAsset, &MaterialSelection::GetMaterialLibraryId)
-                    ->DataElement(AZ::Edit::UIHandlers::Default, &MaterialSelection::m_materialIdsAssignedToSlots, "", "")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &MaterialSelection::m_materialIdsAssignedToSlots, "Slots", "")
                         ->ElementAttribute(Attributes::MaterialLibraryAssetId, &MaterialSelection::GetMaterialLibraryId)
                         ->Attribute(AZ::Edit::Attributes::IndexedChildNameLabelOverride, &MaterialSelection::GetMaterialSlotLabel)
                         ->Attribute(AZ::Edit::Attributes::AutoExpand, true)