fix(settings): respect existing value for "fileNesting.expand" if present (#75)

Author: andrewbrey

extension/src/fetch.ts

@@ -38,7 +38,9 @@ export async function fetchAndUpdate(ctx: ExtensionContext, prompt = true) {
   if (shouldUpdate) {
     const config = workspace.getConfiguration()
     config.update('explorer.experimental.fileNesting.enabled', true, true)
-    config.update('explorer.experimental.fileNesting.expand', false, true)
+    if(config.inspect('explorer.experimental.fileNesting.expand').globalValue === undefined) {
+      config.update('explorer.experimental.fileNesting.expand', false, true)
+    }
     config.update('explorer.experimental.fileNesting.patterns', {
       '//': `Last update at ${new Date().toLocaleString()}`,
       ...patterns,