Add new acceptance test scenario 045

Error:
    × Main thread panicked.
    ├─▶ at crates/aiken-lang/src/uplc.rs:3435:48
    ╰─▶ called `Option::unwrap()` on a `None` value

examples/acceptance_tests/045/lib/tests.ak

@@ -0,0 +1,15 @@
+fn fibonnaci(n) {
+  if n == 0 {
+    0
+  } else if n == 1 {
+    1
+  } else {
+    fibonnaci(n - 2) + fibonnaci(n - 1)
+  }
+}
+
+test foo() {
+  let right = fn() { fibonnaci(15) == 610 }
+  let left = False
+  left || right()
+}