feat(cloudfront-origin): adding FunctionUrlOrigin (#29101)

### Reason for this change

`origins.httpOrigin` requires a trick to specify the Lambda Functions URL. 

### Description of changes

This eases that pain and simplifies integration.

### Description of how you validated changes



### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/@aws-cdk-testing/framework-integ/test/aws-cloudfront-origins/test/integ.function-url-origin.js.snapshot/integ-cloudfront-function-url-origin.template.json

@@ -0,0 +1,157 @@
+{
+ "Resources": {
+  "MyFunctionServiceRole3C357FF2": {
+   "Type": "AWS::IAM::Role",
+   "Properties": {
+    "AssumeRolePolicyDocument": {
+     "Statement": [
+      {
+       "Action": "sts:AssumeRole",
+       "Effect": "Allow",
+       "Principal": {
+        "Service": "lambda.amazonaws.com"
+       }
+      }
+     ],
+     "Version": "2012-10-17"
+    },
+    "ManagedPolicyArns": [
+     {
+      "Fn::Join": [
+       "",
+       [
+        "arn:",
+        {
+         "Ref": "AWS::Partition"
+        },
+        ":iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
+       ]
+      ]
+     }
+    ]
+   }
+  },
+  "MyFunction3BAA72D1": {
+   "Type": "AWS::Lambda::Function",
+   "Properties": {
+    "Code": {
+     "ZipFile": "exports.handler = async () => {};"
+    },
+    "Handler": "index.handler",
+    "Role": {
+     "Fn::GetAtt": [
+      "MyFunctionServiceRole3C357FF2",
+      "Arn"
+     ]
+    },
+    "Runtime": "nodejs20.x"
+   },
+   "DependsOn": [
+    "MyFunctionServiceRole3C357FF2"
+   ]
+  },
+  "MyFunctionFunctionUrlFF6DE78C": {
+   "Type": "AWS::Lambda::Url",
+   "Properties": {
+    "AuthType": "NONE",
+    "TargetFunctionArn": {
+     "Fn::GetAtt": [
+      "MyFunction3BAA72D1",
+      "Arn"
+     ]
+    }
+   }
+  },
+  "MyFunctioninvokefunctionurl171A3163": {
+   "Type": "AWS::Lambda::Permission",
+   "Properties": {
+    "Action": "lambda:InvokeFunctionUrl",
+    "FunctionName": {
+     "Fn::GetAtt": [
+      "MyFunction3BAA72D1",
+      "Arn"
+     ]
+    },
+    "FunctionUrlAuthType": "NONE",
+    "Principal": "*"
+   }
+  },
+  "Distribution830FAC52": {
+   "Type": "AWS::CloudFront::Distribution",
+   "Properties": {
+    "DistributionConfig": {
+     "DefaultCacheBehavior": {
+      "CachePolicyId": "658327ea-f89d-4fab-a63d-7e88639e58f6",
+      "Compress": true,
+      "TargetOriginId": "integcloudfrontfunctionurloriginDistributionOrigin19836FF4B",
+      "ViewerProtocolPolicy": "allow-all"
+     },
+     "Enabled": true,
+     "HttpVersion": "http2",
+     "IPV6Enabled": true,
+     "Origins": [
+      {
+       "CustomOriginConfig": {
+        "OriginProtocolPolicy": "https-only",
+        "OriginSSLProtocols": [
+         "TLSv1.2"
+        ]
+       },
+       "DomainName": {
+        "Fn::Select": [
+         2,
+         {
+          "Fn::Split": [
+           "/",
+           {
+            "Fn::GetAtt": [
+             "MyFunctionFunctionUrlFF6DE78C",
+             "FunctionUrl"
+            ]
+           }
+          ]
+         }
+        ]
+       },
+       "Id": "integcloudfrontfunctionurloriginDistributionOrigin19836FF4B"
+      }
+     ]
+    }
+   }
+  }
+ },
+ "Parameters": {
+  "BootstrapVersion": {
+   "Type": "AWS::SSM::Parameter::Value<String>",
+   "Default": "/cdk-bootstrap/hnb659fds/version",
+   "Description": "Version of the CDK Bootstrap resources in this environment, automatically retrieved from SSM Parameter Store. [cdk:skip]"
+  }
+ },
+ "Rules": {
+  "CheckBootstrapVersion": {
+   "Assertions": [
+    {
+     "Assert": {
+      "Fn::Not": [
+       {
+        "Fn::Contains": [
+         [
+          "1",
+          "2",
+          "3",
+          "4",
+          "5"
+         ],
+         {
+          "Ref": "BootstrapVersion"
+         }
+        ]
+       }
+      ]
+     },
+     "AssertDescription": "CDK bootstrap stack version 6 required. Please run 'cdk bootstrap' with a recent version of the CDK CLI."
+    }
+   ]
+  }
+ }
+}