Fix exception when no URL yet

toURL() will throw if the string is blank, which it will be on the very
first time Gateway is launched.

Author: code-asher

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 - Default URL setting was showing the help text for the setup command instead of
   its own description.
+- Exception when there is no default or last used URL.
 
 ## 2.11.2 - 2024-04-30
 

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

@@ -509,7 +509,7 @@ class CoderWorkspacesStepView : CoderWizardStep<CoderWorkspacesStepSelection>(
      * unless retry is false.
      */
     private fun maybeAskTokenThenConnect(isRetry: Boolean = false) {
-        val oldURL = fields.coderURL.toURL()
+        val oldURL = fields.coderURL
         component.apply() // Force bindings to be filled.
         val newURL = fields.coderURL.toURL()
         if (settings.requireTokenAuth) {
@@ -518,7 +518,7 @@ class CoderWorkspacesStepView : CoderWizardStep<CoderWorkspacesStepSelection>(
                     newURL,
                     // If this is a new URL there is no point in trying to use the same
                     // token.
-                    if (oldURL.toString() == newURL.toString()) fields.token else null,
+                    if (oldURL == newURL.toString()) fields.token else null,
                     isRetry,
                     fields.useExistingToken,
                     settings,