@thunderstore/cyberstorm: use unique key props in PackageList

Same package name can be in use in different namespaces, which caused
React to sometimes render PackageCards from old result sets in addition
to the current ones when the filters were used.

Refs TS-1875

packages/cyberstorm/src/components/PackageList/PackageList.tsx

@@ -84,7 +84,7 @@ export function PackageList(props: Props) {
 
       <div className={styles.packages}>
         {packages.results.map((p) => (
-          <PackageCard key={p.name} package={p} />
+          <PackageCard key={`${p.namespace}-${p.name}`} package={p} />
         ))}
       </div>