Add regression test to check Runtime.getProperties for native functions

We have a bug report from 2018 that no longer reproduces on ToT.
This CL adds a regression bug regardless to make sure we don't
re-introduce the bug that got fixed as a side-effect.

R=kimanh@chromium.org

Fixed: chromium:1246896
Change-Id: I8f9fdcbf7051b23e03cbbfc572771a410f70ad37
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3822668Reviewed-by: Kim-Anh Tran <kimanh@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82372}

test/inspector/regress/regress-crbug-1246896-expected.txt

+Don't crash when getting the properties of a native function
+{
+    internalProperties : [
+        [0] : {
+            name : [[Prototype]]
+            value : {
+                className : Function
+                description : function () { [native code] }
+                objectId : <objectId>
+                type : function
+            }
+        }
+        [1] : {
+            name : [[Scopes]]
+            value : {
+                className : Array
+                description : Scopes[0]
+                objectId : <objectId>
+                subtype : internal#scopeList
+                type : object
+            }
+        }
+    ]
+    result : [
+        [0] : {
+            configurable : true
+            enumerable : false
+            isOwn : true
+            name : length
+            value : {
+                description : 2
+                type : number
+                value : 2
+            }
+            writable : false
+        }
+        [1] : {
+            configurable : true
+            enumerable : false
+            isOwn : true
+            name : name
+            value : {
+                type : string
+                value : slice
+            }
+            writable : false
+        }
+    ]
+}

test/inspector/regress/regress-crbug-1246896.js

+// Copyright 2022 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+const {Protocol} = InspectorTest.start('Don\'t crash when getting the properties of a native function');
+
+(async () => {
+  const { result: { result: {objectId } } } = await Protocol.Runtime.evaluate({
+    expression: '"".slice',
+    objectGroup: 'console',
+    includeCommandLineAPI: true,
+  });
+
+  const { result } = await Protocol.Runtime.getProperties({
+    objectId,
+    ownProperties: true,
+    accessorPropertiesOnly: false,
+    generatePreview: false,
+  });
+
+  InspectorTest.logMessage(result);
+  InspectorTest.completeTest();
+})();