impl: request a new toke when old one is expired

- resolves #130

CHANGELOG.md

@@ -7,6 +7,7 @@
 ### Added
 - ability to open a template in the Dashboard
 - ability to sort by workspace name, or by template name or by workspace status
+- a new token is requested when the one persisted is expired
 
 ### Changed
 - renamed the plugin from `Coder Gateway` to `Gateway`

src/main/kotlin/com/coder/gateway/views/steps/CoderWorkspacesStepView.kt

@@ -319,7 +319,13 @@ class CoderWorkspacesStepView(val enableNextButtonCallback: (Boolean) -> Unit) :
                 tfUrl?.text = url
 
                 poller?.cancel()
-                loginAndLoadWorkspace(token)
+                try {
+                    coderClient.initClientSession(url.toURL(), token)
+                    loginAndLoadWorkspace(token)
+                } catch (e: AuthenticationResponseException) {
+                    // probably the token is expired
+                    askTokenAndOpenSession()
+                }
             }
         }
         updateWorkspaceActions()