Fix AEROSPACE_FOCUSED_WORKSPACE env var in exec-on-workspace-change c…

…allback

#585

The bug was introduced in 744b825
because of inaccurate find and replace

Sources/AppBundle/focus.swift

@@ -162,7 +162,7 @@ private func onWorkspaceChanged(_ oldWorkspace: String, _ newWorkspace: String)
  process.executableURL = URL(filePath: exec)
  process.arguments = Array(config.execOnWorkspaceChange.dropFirst())
  var environment = config.execConfig.envVariables
- environment["AEROSPACE_WORKSPACE"] = newWorkspace
+ environment["AEROSPACE_FOCUSED_WORKSPACE"] = newWorkspace
  environment["AEROSPACE_PREV_WORKSPACE"] = oldWorkspace
  process.environment = environment
  Result { try process.run() }.getOrThrow() // todo It's not perfect to fail here