LibJS: Add ScriptOrModule to execution context and track it everywhere

Author: https://github.com/davidot
Commit: 57c5a59cab
Pull-request: https://github.com/SerenityOS/serenity/pull/11957
Reviewed-by: https://github.com/emanuele6
Reviewed-by: https://github.com/linusg

Userland/Libraries/LibJS/Forward.h

@@ -153,6 +153,7 @@ class Heap;
 class HeapBlock;
 class Interpreter;
 class MarkedValueList;
+class Module;
 class NativeFunction;
 class ObjectEnvironment;
 class PrimitiveString;
@@ -165,6 +166,7 @@ class PropertyKey;
 class Realm;
 class Reference;
 class ScopeNode;
+class Script;
 class Shape;
 class Statement;
 class StringOrSymbol;