Can't refresh function app node while there is a deleted app

[yuyully]

Steps to reproduce:

• Open two Vscode instance > Expand Function App on both instances
• Delete an app in one instance > After deleted, go to another vscode instance, click Refresh button of Function App node > Pops up the error and it doesn't refresh the node(the deleted app still shows up)

Expected Behavior:

Can refresh successfully without error

Actual Behavior:

Affected Build:

Azure Functions v1.8.0-alpha.0