add limit to code symbol

Author: leigaol

packages/core/src/codewhispererChat/controllers/chat/controller.ts

@@ -539,7 +539,13 @@ export class ChatController {
                         id: contextCommandItem.id,
                         icon: 'folder' as MynahIconsType,
                     })
-                } else if (contextCommandItem.symbol) {
+                }
+                // TODO: Remove the limit of 25k once the performance issue of mynahUI in webview is fixed.
+                else if (
+                    contextCommandItem.symbol &&
+                    symbolsCmd.children &&
+                    symbolsCmd.children[0].commands.length < 25_000
+                ) {
                     symbolsCmd.children?.[0].commands.push({
                         command: contextCommandItem.symbol.name,
                         description: `${contextCommandItem.symbol.kind}, ${path.join(wsFolderName, contextCommandItem.relativePath)}, L${contextCommandItem.symbol.range.start.line}-${contextCommandItem.symbol.range.end.line}`,