test(ecstore): pass codec fallback flag in tests

Pass the explicit allow_inplace_legacy_fallback flag in codec streaming reader tests so CI builds compile after the signature change.

crates/ecstore/src/set_disk/read.rs

@@ -3463,6 +3463,7 @@ mod tests {
             "test-object-class",
             "test-size-bucket",
             false,
+            false,
         )
         .await;
         assert!(oversized.is_err(), "part_length > part_size must be rejected");
@@ -3482,6 +3483,7 @@ mod tests {
             "test-object-class",
             "test-size-bucket",
             false,
+            false,
         )
         .await;
         assert!(missing_quorum.is_err(), "reader setup must fail closed when no shard can answer");