(WAFv2): CfnWebACL namespace incorrectly set as CfnWebAcl in C# JSII

### Describe the bug

When a library extends an interface in `cdk.aws_wafv2.CfnWebACL` (e.g. `export interface WafRuleProperty extends cdk.aws_wafv2.CfnWebACL.RuleProperty {};`), JSII compilation to C# fails for that library with the error: `error CS0234: The type or namespace name 'CfnWebAcl' does not exist in the namespace 'Amazon.CDK.AWS.WAFv2' (are you missing an assembly reference?)`.
This is due to the generated C# code using `CfnWebAcl` instead of `CfnWebACL`

### Expected Behavior

Expected the JSII library to compile correctly into C#

### Current Behavior

JSII compilation fails with `error CS0234: The type or namespace name 'CfnWebAcl' does not exist in the namespace 'Amazon.CDK.AWS.WAFv2' (are you missing an assembly reference?)`

### Reproduction Steps

Clone the repo https://github.com/cgatt/jsii-dotnet-compilation and execute with `npx projen build`

### Possible Solution

_No response_

### Additional Information/Context

_No response_

### CDK CLI Version

2.72.1 (build ddbfac7)

### Framework Version

_No response_

### Node.js Version

16.20.0

### OS

Ubuntu

### Language

Typescript, .NET

### Language Version

_No response_

### Other information

_No response_

Clone https://github.com/cgatt/jsii-dotnet-compilation and run `npx projen build` to reproduce the generated C# reference to `CfnWebAcl`. Trace the JSII output for `cdk.aws_wafv2.CfnWebACL` and ensure the generated name preserves `CfnWebACL`; done means the reproduction compiles successfully in C#.

Written by the indexing model from the issue text.