Also fix the jump if its the last one

Signed-off-by: Marcel Müller <neikos@neikos.email>

tests/cases/3-instructions@if_else_if.snap

@@ -0,0 +1,61 @@
+---
+source: tests/file_tests.rs
+expression: emit
+input_file: tests/cases/if_else_if.nomo
+---
+[
+    LoadFromContextToSlot {
+        name: "test" (6..10),
+        slot: VariableSlot {
+            index: 0,
+        },
+    },
+    JumpIfNotTrue {
+        emit_slot: VariableSlot {
+            index: 0,
+        },
+        jump: 5,
+    },
+    AppendContent {
+        content: "\n    " (13..18),
+    },
+    AppendContent {
+        content: "Not Hello World! :C" (18..37),
+    },
+    Jump {
+        jump: 9,
+    },
+    AppendContent {
+        content: "\n    " (13..18),
+    },
+    AppendContent {
+        content: "\n" (37..38),
+    },
+    LoadFromContextToSlot {
+        name: "another_test" (49..61),
+        slot: VariableSlot {
+            index: 1,
+        },
+    },
+    JumpIfNotTrue {
+        emit_slot: VariableSlot {
+            index: 1,
+        },
+        jump: 5,
+    },
+    AppendContent {
+        content: "\n    " (64..69),
+    },
+    AppendContent {
+        content: "Hello World!" (69..81),
+    },
+    Jump {
+        jump: 2,
+    },
+    AppendContent {
+        content: "\n    " (64..69),
+    },
+    AppendContent {
+        content: "\n" (81..82),
+    },
+]