chore(nextjs): Fix optional chaining linting issue (#14982)

This a strange one, maybe caused by caching? 

The last few PRs are failing due to these linting issues but I can't
reproduce this locally on `develop` and it looks like everything passed
in CI 🤷‍♂️

Author: timfish

packages/solidstart/src/config/wrapServerEntryWithDynamicImport.ts

@@ -53,7 +53,7 @@ export function wrapServerEntryWithDynamicImport(config: WrapServerEntryPluginOp
         return { id: source, moduleSideEffects: true };
       }
 
-      if (additionalImports && additionalImports.includes(source)) {
+      if (additionalImports?.includes(source)) {
         // When importing additional imports like "import-in-the-middle/hook.mjs" in the returned code of the `load()` function below:
         // By setting `moduleSideEffects` to `true`, the import is added to the bundle, although nothing is imported from it
         // By importing "import-in-the-middle/hook.mjs", we can make sure this file is included, as not all node builders are including files imported with `module.register()`.
@@ -70,7 +70,7 @@ export function wrapServerEntryWithDynamicImport(config: WrapServerEntryPluginOp
         const resolution = await this.resolve(source, importer, options);
 
         // If it cannot be resolved or is external, just return it so that Rollup can display an error
-        if (!resolution || (resolution && resolution.external)) return resolution;
+        if (!resolution || resolution?.external) return resolution;
 
         const moduleInfo = await this.load(resolution);
 
@@ -146,23 +146,21 @@ export function extractFunctionReexportQueryParameters(query: string): { wrap: s
   const wrapMatch = query.match(wrapRegex);
   const reexportMatch = query.match(reexportRegex);
 
-  const wrap =
-    wrapMatch && wrapMatch[1]
-      ? wrapMatch[1]
-          .split(',')
-          .filter(param => param !== '')
-          // Sanitize, as code could be injected with another rollup plugin
-          .map((str: string) => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))
-      : [];
-
-  const reexport =
-    reexportMatch && reexportMatch[1]
-      ? reexportMatch[1]
-          .split(',')
-          .filter(param => param !== '' && param !== 'default')
-          // Sanitize, as code could be injected with another rollup plugin
-          .map((str: string) => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))
-      : [];
+  const wrap = wrapMatch?.[1]
+    ? wrapMatch[1]
+        .split(',')
+        .filter(param => param !== '')
+        // Sanitize, as code could be injected with another rollup plugin
+        .map((str: string) => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))
+    : [];
+
+  const reexport = reexportMatch?.[1]
+    ? reexportMatch[1]
+        .split(',')
+        .filter(param => param !== '' && param !== 'default')
+        // Sanitize, as code could be injected with another rollup plugin
+        .map((str: string) => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))
+    : [];
 
   return { wrap, reexport };
 }