UnsupportedOperationException when values.yaml is part of a virtual file system

[fstaudt]

When helm-values is used with kubernetes plugin, following exception is thrown when a file inside a Helm archive is displayed.

In file: helm-tgz://C:/my/project/chart-1.0.0.tgz!/chart/values.yaml

Unhandled exception in [CoroutineName(com.intellij.openapi.wm.impl.status.widget.StatusBarWidgetsManager), StandaloneCoroutine{Cancelling}@4ccd685d, Dispatchers.Default]
  
  java.lang.UnsupportedOperationException: Failed to map helm-tgz://C:/my/project/chart-1.0.0.tgz!/chart (filesystem com.intellij.kubernetes.helm.tgz.TgzFileSystem@73945137) into nio Path
at com.intellij.openapi.vfs.VirtualFile.toNioPath(VirtualFile.java:164)
at io.github.fstaudt.helm.idea.providers.BaseJsonSchemaProvider.isAvailable(BaseJsonSchemaProvider.kt:28)
at io.github.fstaudt.helm.idea.providers.AggregatedJsonSchemaProvider.isAvailable(AggregatedJsonSchemaProvider.kt:10)
...