fix(cloudformation): suppress noisy LSP logMessage notifications from surfacing as balloon popups (aws#6259)

Author: Zee2413

plugins/toolkit/jetbrains-core/src-253+/software/aws/toolkits/jetbrains/services/cfnlsp/server/CfnLspServerSupportProvider.kt

@@ -8,9 +8,12 @@ import com.intellij.notification.NotificationAction
 import com.intellij.openapi.options.ShowSettingsUtil
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.platform.lsp.api.Lsp4jClient
+import com.intellij.platform.lsp.api.LspServerNotificationsHandler
 import com.intellij.platform.lsp.api.LspServerSupportProvider
 import com.intellij.platform.lsp.api.ProjectWideLspServerDescriptor
 import org.eclipse.lsp4j.ConfigurationItem
+import org.eclipse.lsp4j.MessageParams
 import org.eclipse.lsp4j.services.LanguageServer
 import software.aws.toolkit.core.utils.getLogger
 import software.aws.toolkit.core.utils.info
@@ -51,6 +54,9 @@ class CfnLspServerDescriptor private constructor(project: Project) :
 
     override fun isSupportedFile(file: VirtualFile) = file.isCfnTemplate()
 
+    override fun createLsp4jClient(handler: LspServerNotificationsHandler): Lsp4jClient =
+        Lsp4jClient(CfnLspNotificationsHandler(handler))
+
     override fun createCommandLine(): GeneralCommandLine {
         val serverPath = try {
             installer.getServerPath()
@@ -204,3 +210,15 @@ class CfnLspServerDescriptor private constructor(project: Project) :
             instances.getOrPut(project) { CfnLspServerDescriptor(project) }
     }
 }
+
+private class CfnLspNotificationsHandler(
+    private val delegate: LspServerNotificationsHandler,
+) : LspServerNotificationsHandler by delegate {
+    override fun logMessage(params: MessageParams) {
+        LOG.info { "CloudFormation language server [${params.type}]: ${params.message}" }
+    }
+
+    companion object {
+        private val LOG = getLogger<CfnLspNotificationsHandler>()
+    }
+}