Fix Float Rank hyperlinks for Souvenirs/StatTraks

[rxl211]

I noticed that on Steam inventories, when you selected a StatTrak or Souvenir item and it had a displayed float Rank, clicking on the link would always take you to the database with a category=1 (Normal) filter selected, even though the selected item was StatTrak/souvenir.

Example:

The root cause seemed to be that the itemInfo.full_item_name field was never populated, and so downstream code which looks at full_item_name to derive the correct category filter when constructing the hyperlink would always just default to category=1.

This PR includes a change to selected_item_info.ts to populate full_item_name inside of processSelectChange().

I verified this fixes the bug locally by loading the unpackaged extension in Chrome. I did not test on Firefox.

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Note

Low Risk
Localized inventory UI change with no auth or data-model impact; main behavioral change is correct hyperlink category plus ignoring outdated fetch responses.

Overview
Fixes float rank hyperlinks for StatTrak and Souvenir items in the Steam inventory panel by setting itemInfo.full_item_name from the selected asset’s market_hash_name after the inspect fetch. renderClickableRank / getFloatDbCategory use that field to pick the DB category filter (Normal vs StatTrak vs Souvenir); without it, links always used category 1.

Also guards against stale async updates when the user changes selection while a float request is in flight (compare assetid before applying results) and tightens null checks around the fetch path.

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