[improvement] zio-http integration not comfortable failed effect usages

Tapir version: 0.19.3

From contract programming all looks good, but it becomes quite uncomfortable with latest update

zio-http integration not comfortable failed effect usages

Exsisting tapir library code
` implicit class RichZEndpoint[A, I, E, O, C](e: Endpoint[A, I, E, O, C]) {

def zServerLogic[R](logic: I => ZIO[R, E, O])(implicit aIsUnit: A =:= Unit): ZServerEndpoint[R, C] =
  ServerEndpoint.public(e.asInstanceOf[Endpoint[Unit, I, E, O, C]], _ => logic(_: I).either.resurrect)

def zServerSecurityLogic[R, U](f: A => ZIO[R, E, U]): ZPartialServerEndpoint[R, A, U, I, E, O, C] =
  ZPartialServerEndpoint(e, f)

}`

See logic ZIO[_ , E, _] contract forces to be with same error channel as Endpoint E
if endpoint don't declare error E is Unit
and clients can not use Task[O] and have manually describe in all places InternalServerError

Start by reading the existing RichZEndpoint integration shown in the issue, especially zServerLogic and zServerSecurityLogic, and trace how endpoint error types reach zio-http handlers. Clarify the intended behavior for endpoints without declared errors and for Task[O] handlers. Done means the integration no longer requires manually declaring InternalServerError in every such usage, with corresponding tests for the supported cases.