fix(getter): simplify strategy loop

Co-authored-by: istae <[email protected]>

pkg/file/redundancy/getter/strategies.go

@@ -93,7 +93,12 @@ func (g *decoder) prefetch(ctx context.Context, strategy int, strict bool, strat
 		return g.recover(ctx) // context to cancel when shardCnt chunks are retrieved
 	}
 	var err error
-	for s := strategy; s == strategy || (err != nil && !strict && s < strategyCnt); s++ {
+	for s := strategy; s < strategyCnt; s++ {
+	  err = run(s)
+	  if err != nil || strict {
+	    return
+	  }
+	}
 		err = run(s)
 	}
 }