Fix unnormalized view direction in HD/URP in OceanFramework shader

[marko1olo]

This PR addresses an issue where output.WorldSpaceViewDirection was being assigned an unnormalized input.viewDirectionWS in Assets/Crest/Crest/Shaders/ShadergraphFramework/OceanFramework_Generated.shader. A comment inside the shader code stated //TODO: by default normalized in HD, but not in universal. To ensure consistent behavior across different render pipelines, input.viewDirectionWS is now explicitly normalized during the assignment. All occurrences across the shader have been updated.

Verification sweep using Tools/RunFullVerifySweep.py passed with no introduced regressions.

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PR created automatically by Jules for task 10134758252134247888 started by @marko1olo

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