Don't add ResolvePaths annotations if no targets (#1392)

Adds a case to CircuitState.resolvePaths such that if no targets are
requested, then no ResolvePaths annotations are added.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>