Fix for NewArch Gallery Package Creation

[vineethkuttan]

react-native-gallery/NewArch/windows/NewArch.Package/NewArch.Package.wapproj

Lines 144 to 145 in b854f3b

	<Content Include="..\x64\$(Configuration)\Clipboard\Clipboard.dll">
	<Link>Clipboard\Clipboard.dll</Link>

Use this instead
<Content Include="$(SolutionDir)\x64\$(Configuration)\Clipboard.dll">
<Link>Clipboard.dll</Link>

NewArch gallery publish package creation is failing because of this issue