Handle when message reaches max length

[nthungdev]

Log from Synology Container

url: 'https://discord.com/api/v10/channels/1205294345951903812/messages' | stderr
05/11/2025 20:48 | method: 'POST', | stderr
05/11/2025 20:48 | status: 400, | stderr
05/11/2025 20:48 | code: 50035, | stderr
05/11/2025 20:48 | rawError: { message: 'Invalid Form Body', code: 50035, errors: [Object] }, | stderr
05/11/2025 20:48 | requestBody: { files: [], json: [Object] }, | stderr
05/11/2025 20:48 | at async handleMessageTimeout (/usr/src/app/build/src/discord/chatbot.js:97:13) { | stderr
05/11/2025 20:48 | at async TextChannel.send (/usr/src/app/node_modules/discord.js/src/structures/interfaces/TextBasedChannel.js:155:15) | stderr
05/11/2025 20:48 | at async _REST.request (/usr/src/app/node_modules/@discordjs/rest/dist/index.js:1266:22) | stderr
05/11/2025 20:48 | at async SequentialHandler.queueRequest (/usr/src/app/node_modules/@discordjs/rest/dist/index.js:953:14) | stderr
05/11/2025 20:48 | at async SequentialHandler.runRequest (/usr/src/app/node_modules/@discordjs/rest/dist/index.js:1120:23) | stderr
05/11/2025 20:48 | at process.processTicksAndRejections (node:internal/process/task_queues:95:5) | stderr
05/11/2025 20:48 | at handleErrors (/usr/src/app/node_modules/@discordjs/rest/dist/index.js:722:13) | stderr
05/11/2025 20:48 | content[BASE_TYPE_MAX_LENGTH]: Must be 2000 or fewer in length. | stderr