Fix typo in application insights creation dialog title, AB#1948968

Author: Flanker32

PluginsAndFeatures/azure-toolkit-for-intellij/azure-intellij-plugin-applicationinsights/src/main/java/com/microsoft/azure/toolkit/intellij/applicationinsights/creation/ApplicationInsightsCreationDialog.java

@@ -30,7 +30,7 @@
 import java.util.Optional;
 
 public class ApplicationInsightsCreationDialog extends AzureDialog<ApplicationInsightDraft> implements AzureForm<ApplicationInsightDraft> {
-    private static final String DIALOG_TITLE = "Create Application Insight";
+    private static final String DIALOG_TITLE = "Create Application Insights";
 
     private JPanel pnlRoot;
     private SubscriptionComboBox subscriptionComboBox;