impl: update page title instead of creating a new page

With the new TBX API we can update the title of a UI page
without recreating the page and using hacks to force TBX
to update the internal state.

Author: fioan89

src/main/kotlin/com/coder/toolbox/CoderRemoteProvider.kt

@@ -377,7 +377,7 @@ class CoderRemoteProvider(
 
     private fun shouldDoAutoSetup(): Boolean = firstRun && context.secrets.rememberMe == true
 
-    private suspend fun onConnect(client: CoderRestClient, cli: CoderCLIManager) {
+    private fun onConnect(client: CoderRestClient, cli: CoderCLIManager) {
         // Store the URL and token for use next time.
         context.secrets.lastDeploymentURL = client.url.toString()
         context.secrets.lastToken = client.token ?: ""
@@ -387,9 +387,8 @@ class CoderRemoteProvider(
         this.client = client
         pollJob?.cancel()
         environments.showLoadingMessage()
-        coderHeaderPage = NewEnvironmentPage(context.i18n.pnotr(client.url.toString()))
+        coderHeaderPage.setTitle(context.i18n.pnotr(client.url.toString()))
         pollJob = poll(client, cli)
-        context.refreshMainPage()
     }
 
     private fun MutableStateFlow<LoadableState<List<CoderRemoteEnvironment>>>.showLoadingMessage() {

src/main/kotlin/com/coder/toolbox/views/CoderPage.kt

@@ -7,6 +7,7 @@ import com.jetbrains.toolbox.api.localization.LocalizableString
 import com.jetbrains.toolbox.api.ui.actions.RunnableActionDescription
 import com.jetbrains.toolbox.api.ui.components.UiPage
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.update
 
 /**
  * Base page that handles the icon, displaying error notifications, and
@@ -23,6 +24,12 @@ abstract class CoderPage(
     showIcon: Boolean = true,
 ) : UiPage(titleObservable) {
 
+    fun setTitle(title: LocalizableString) {
+        titleObservable.update {
+            title
+        }
+    }
+
     /**
      * Return the icon, if showing one.
      *