fix(amazonq): update statusbar icon after selecting profile (#5617)

Follow up to #5615

Author: rli

plugins/amazonq/codewhisperer/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/status/CodeWhispererStatusBarWidget.kt

@@ -23,7 +23,9 @@ import software.aws.toolkits.jetbrains.core.credentials.profiles.ProfileWatcher
 import software.aws.toolkits.jetbrains.core.credentials.sso.bearer.BearerTokenProviderListener
 import software.aws.toolkits.jetbrains.services.amazonq.CodeWhispererFeatureConfigService
 import software.aws.toolkits.jetbrains.services.amazonq.gettingstarted.QActionGroups.Q_SIGNED_OUT_ACTION_GROUP
+import software.aws.toolkits.jetbrains.services.amazonq.profile.QRegionProfile
 import software.aws.toolkits.jetbrains.services.amazonq.profile.QRegionProfileManager
+import software.aws.toolkits.jetbrains.services.amazonq.profile.QRegionProfileSelectedListener
 import software.aws.toolkits.jetbrains.services.codewhisperer.customization.CodeWhispererCustomizationListener
 import software.aws.toolkits.jetbrains.services.codewhisperer.customization.CodeWhispererModelConfigurator
 import software.aws.toolkits.jetbrains.services.codewhisperer.explorer.QStatusBarLoggedInActionGroup
@@ -77,6 +79,20 @@ class CodeWhispererStatusBarWidget(project: Project) :
                 }
             }
         )
+
+        ApplicationManager.getApplication().messageBus.connect(this).subscribe(
+            QRegionProfileSelectedListener.TOPIC,
+            object : QRegionProfileSelectedListener {
+                override fun onProfileSelected(
+                    project: Project,
+                    profile: QRegionProfile?,
+                ) {
+                    if (project == this@CodeWhispererStatusBarWidget.project) {
+                        statusBar.updateWidget(ID)
+                    }
+                }
+            }
+        )
     }
 
     override fun ID(): String = ID