Clear recent connections client on error

This will at least give you the opportunity to fix it manually by going
through the new connection flow, until code is added to ask for a token.

Author: code-asher

src/main/kotlin/com/coder/gateway/views/CoderGatewayRecentWorkspaceConnectionsView.kt

@@ -394,6 +394,7 @@ class CoderGatewayRecentWorkspaceConnectionsView(private val setContentCallback:
                     deployment.error = null
                 } catch (e: Exception) {
                     val msg = humanizeConnectionError(deploymentURL.toURL(), settings.requireTokenAuth, e)
+                    deployment.client = null
                     deployment.items = null
                     deployment.error = msg
                     logger.error(msg, e)