WorkspaceAPI doesn't open correctly a file in WINDOWS envs.

This issue reproduces in Windows only.

Steps to reproduce:

• Open a DMN file
• Go into the Included Model tab
• Add any  other DMN file as Included Model (you need to have at least 2 dmn files in your project)
• In the card, try to click on the imported file reference
• The DMN editor tries to open a file in the wrong directory - it remains in an infinite loop

The issue root cause is here

https://github.com/kiegroup/kogito-tooling/blob/main/packages/vscode-extension/src/KogitoEditorChannelApiImpl.ts#L54

and in particular this statement:

__path.dirname(this.editor.document.uri.fsPath)

returns "." as dir in Windows, while works correctly in UNIX based systems

Debug example (WIN):

path = "Traffic Violation.dmn"

isAbsolute(path) = false

dirName = "."

joinedPath =  "Traffic Violation.dmn"

Debug example (Linux):

path = "Traffic Violation.dmn"

isAbsolute(path) = false

dirName = "/home/yamer/IdeaProjects/kogito-examples/dmn-quarkus-example/src/main/resources"

joinedPath =  "/home/yamer/IdeaProjects/kogito-examples/dmn-quarkus-example/src/main/resources/Traffic Violation.dmn"