fix(compiler): preserve server-only loader text and control blocks

packages/compiler/test/server-load-attributes.test.ts

@@ -6,6 +6,9 @@ test("server-only loader data renders native input attributes without client sta
     parse(`page Profile {
     load server account { return {} }
     view {
+      <h1>{account.name}</h1>
+      {#if account.readonly}<p>Read only</p>{:else}<p>Editable</p>{/if}
+      {#each account.items as item}<strong>{item}</strong>{/each}
       <input value="{account.name}" readonly="{account.readonly}" />
       <select><option value="light" selected="{account.theme === 'light'}">Light</option><option value="dark" selected="{account.theme === 'dark'}">Dark</option></select>
       <div data-component="ProfileShell" identity="{account.identity}"></div>
@@ -17,7 +20,13 @@ test("server-only loader data renders native input attributes without client sta
     `data:text/javascript;base64,${Buffer.from(javascript).toString("base64")}`
   );
   const html = await page.default({
-    account: { name: 'A "<User>"', readonly: false, theme: "dark", identity: { name: "Alice" } },
+    account: {
+      items: ["Example record"],
+      name: 'A "<User>"',
+      readonly: false,
+      theme: "dark",
+      identity: { name: "Alice" },
+    },
   });
   expect(html).toContain('value="A &quot;&lt;User&gt;&quot;"');
   expect(html).not.toContain(" readonly");
@@ -26,4 +35,10 @@ test("server-only loader data renders native input attributes without client sta
   expect(html).toContain('identity="{&quot;name&quot;:&quot;Alice&quot;}"');
   expect(html).not.toContain("data-wrn-bind");
   expect(html).not.toContain("{account.");
+  expect(html).toContain("<h1>A &quot;&lt;User&gt;&quot;</h1>");
+  expect(html).toContain("<p>Editable</p>");
+  expect(html).toContain("<strong>Example record</strong>");
+  expect(html).not.toContain("data-wrn-if");
+  expect(html).not.toContain("data-wrn-each");
+  expect(html).not.toContain("data-text");
 });