Disallow usage of unresolvable destinations in navController

[vkatz]

Tiamat/tiamat/src/commonMain/kotlin/com/composegears/tiamat/compose/ComposableNavigation.kt

Line 278 in 054c52e

if (!entry.isResolved) entry.resolveDestination(destinationResolver)

Add validation to disallow open unresolvable destinations

eg:

destinations = [A,B]
nc.navigate(C)