Setting a Vector value in the Material Parameter Collection causes crash

Creating a Vector parameter within the Material Parameter collection causes a crash with the engine.

Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5159901), 4.23 (CL - 4980862)

1. Create a Blank project
2. Make a Material Parameter Collection
3. Create a Vector Parameter

Result: The engine crashes

Expected: A new Vector parameter is created

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Assertion failed: MappedSubresource.RowPitch >= ConstantBufferSize [Link Removed] [Line: 269]

UE4Editor_Core
UE4Editor_D3D11RHI
UE4Editor_D3D11RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_SlateRHIRenderer
UE4Editor_SlateRHIRenderer
UE4Editor_SlateRHIRenderer
UE4Editor_Core
UE4Editor_Core
UE4Editor_RenderCore
UE4Editor_RenderCore
UE4Editor_Core
UE4Editor_Core
kernel32
ntdll

[UE-23848] Bug Status

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