[BUG][MARKDOWN] Extra (back)slashes added to links from Api to Model

Created by: zeljkot

Description

Links from Apis to Models directories have additional (back)slash that breaks the links. That happens for both parameters and return types. For example:

### Parameters

Name | Type | Description  | Notes
------------- | ------------- | ------------- | -------------
 **ids** | [**List**](../\Models/Integer.md)|  | [default to null]

### Return type

[**List**](../\Models/string.md)

Same happen on Linux: [**List**](..//Models/string.md)

openapi-generator version

4.3.0

OpenAPI declaration file content or url

bug.zip

Command line used for generation

<groupId>org.openapitools</groupId>
<artifactId>openapi-generator-maven-plugin</artifactId>
<version>4.3.0</version>
<executions>
  <execution>
    <id>markdown</id>

mvn clean compile

Steps to reproduce

Create OpenAPI yaml with components.

Related issues/PRs

Suggest a fix