fix to_layout sharded bug

[nardoTT]

Ticket

Link to Github Issue #17706

Problem description

to_layout doesn't change the memory configuration of sharded tensors for untilize with unpadding if needed. The memory config stays L1

What's changed

Change the memory config if the requested configuration is different than the input tensor one

Checklist

• All post commit CI passes https://github.com/tenstorrent/tt-metal/actions/runs/13249266656
• Blackhole Post commit CI passes (if applicable)
• Model regression CI passes (if applicable)
• Device performance regression CI passes (if applicable)
• (For models and ops writers) Full new models tests CI passes (if applicable)
• New/Existing tests provide coverage for changes