PSAvoidTrailingWhitespace should ignore empty lines indented to match the current block

Currently, PSAvoidTrailingWhitespace checks all lines for trailing whitespace, even when that line is effectively empty and the "trailing" whitespace is actually leading whitespace for the current indentation level. If the recommended action is taken (remove the whitespace), then adding new code in those spots requires re-indenting that spot to the current code indentation level.

I propose that it should respect the current indentation level for an empty line and not generate a note for those lines, as long as they match the indentation of the current block of code.

What is the latest version of PSScriptAnalyzer at the point of writing
1.17.1, shipping with the vscode-powershell extension version 1.8.1

Comienza localizando la implementación de la regla PSAvoidTrailingWhitespace y sus pruebas existentes. Reproduce el caso con una línea vacía indentada al nivel de bloque actual y, después, verifica que la indentación coincidente se ignore mientras que los espacios en blanco finales reales sigan siendo reportados. Se considera completado cuando el comportamiento está cubierto por pruebas y la regla distingue estos casos.