Revert "Reland "refactor(core): cleanup feature flags for js source i… (#19611)

…nclusion" (#19519)"

This reverts commit 28a4f3d0f5383695b1d49ccdc8b0f799a715b2c2.

This change causes failures when used outside Deno repo:
```
============================================================
Deno has panicked. This is a bug in Deno. Please report this
at https://github.com/denoland/deno/issues/new.
If you can reliably reproduce this panic, include the
reproduction steps and re-run with the RUST_BACKTRACE=1 env
var set and include the backtrace in your report.

Platform: linux x86_64
Version: 1.34.3+b37b286
Args: ["/opt/hostedtoolcache/deno/0.0.0-b37b286f7fa68d5656f7c180f6127bdc38cf2cf5/x64/deno", "test", "--doc", "--unstable", "--allow-all", "--coverage=./cov"]

thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failed to read "/home/runner/work/deno/deno/core/00_primordials.js"

Caused by:
    No such file or directory (os error 2)', core/runtime/jsruntime.rs:699:8
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
```

1 files changed, 31 insertions, 28 deletions

diff --git a/core/runtime/jsruntime.rs b/core/runtime/jsruntime.rs
index e6b531d61..2e473e7c9 100644
--- a/core/runtime/jsruntime.rs
+++ b/core/runtime/jsruntime.rs
@@ -505,7 +505,7 @@ impl JsRuntime {
     maybe_load_callback: Option<ExtModuleLoaderCb>,
   ) -> JsRuntime {
     let init_mode = InitMode::from_options(&options);
-    let (op_state, ops) = Self::create_opstate(&mut options);
+    let (op_state, ops) = Self::create_opstate(&mut options, init_mode);
     let op_state = Rc::new(RefCell::new(op_state));
 
     // Collect event-loop middleware
@@ -844,25 +844,29 @@ impl JsRuntime {
       for extension in &extensions {
         let maybe_esm_entry_point = extension.get_esm_entry_point();
 
-        for file_source in extension.get_esm_sources() {
-          self
-            .load_side_module(
-              &ModuleSpecifier::parse(file_source.specifier)?,
-              None,
-            )
-            .await?;
+        if let Some(esm_files) = extension.get_esm_sources() {
+          for file_source in esm_files {
+            self
+              .load_side_module(
+                &ModuleSpecifier::parse(file_source.specifier)?,
+                None,
+              )
+              .await?;
+          }
         }
 
         if let Some(entry_point) = maybe_esm_entry_point {
           esm_entrypoints.push(entry_point);
         }
 
-        for file_source in extension.get_js_sources() {
-          realm.execute_script(
-            self.v8_isolate(),
-            file_source.specifier,
-            file_source.load()?,
-          )?;
+        if let Some(js_files) = extension.get_js_sources() {
+          for file_source in js_files {
+            realm.execute_script(
+              self.v8_isolate(),
+              file_source.specifier,
+              file_source.load()?,
+            )?;
+          }
         }
 
         if extension.is_core {
@@ -880,16 +884,6 @@ impl JsRuntime {
               panic!("{} not present in the module map", specifier)
             })
         };
-        {
-          let module_map_rc = self.module_map.clone();
-          let module_map = module_map_rc.borrow();
-          let handle = module_map.handles.get(mod_id).unwrap().clone();
-          let mut scope = realm.handle_scope(self.v8_isolate());
-          let handle = v8::Local::new(&mut scope, handle);
-          if handle.get_status() == v8::ModuleStatus::Evaluated {
-            continue;
-          }
-        }
         let receiver = self.mod_evaluate(mod_id);
         self.run_event_loop(false).await?;
         receiver
@@ -973,11 +967,20 @@ impl JsRuntime {
   }
 
   /// Initializes ops of provided Extensions
-  fn create_opstate(options: &mut RuntimeOptions) -> (OpState, Vec<OpDecl>) {
+  fn create_opstate(
+    options: &mut RuntimeOptions,
+    init_mode: InitMode,
+  ) -> (OpState, Vec<OpDecl>) {
     // Add built-in extension
-    options
-      .extensions
-      .insert(0, crate::ops_builtin::core::init_ext());
+    if init_mode == InitMode::FromSnapshot {
+      options
+        .extensions
+        .insert(0, crate::ops_builtin::core::init_ops());
+    } else {
+      options
+        .extensions
+        .insert(0, crate::ops_builtin::core::init_ops_and_esm());
+    }
 
     let ops = Self::collect_ops(&mut options.extensions);