fix(nextjs): Update package.json build scripts

[ndcunningham]

When nextjs project is built for production inside package.json we will update scripts

Before

  "scripts": {
    "start": "nx serve",
    "build": "nx build",
    "test": "nx test"
  },

After

  "scripts": {
    "start": "next start"
  },

closes: #17260

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✅ Successfully ran 8 targets

• nx affected -t e2e-macos --parallel=1 --base=1bc79652783bd5e47ad7e65025c359ea4be4c8fc --head=f39655f251b46f01a469398049c31235599ef403
• nx affected --target=e2e --base=1bc79652783bd5e47ad7e65025c359ea4be4c8fc --head=f39655f251b46f01a469398049c31235599ef403 --parallel=1
• nx affected --target=build --base=1bc79652783bd5e47ad7e65025c359ea4be4c8fc --head=f39655f251b46f01a469398049c31235599ef403 --parallel=3
• nx affected --target=test --base=1bc79652783bd5e47ad7e65025c359ea4be4c8fc --head=f39655f251b46f01a469398049c31235599ef403 --parallel=1
• nx run-many -t check-imports check-commit check-lock-files depcheck check-codeowners documentation --parallel=1 --no-dte
• nx affected --target=lint --base=1bc79652783bd5e47ad7e65025c359ea4be4c8fc --head=f39655f251b46f01a469398049c31235599ef403 --parallel=3
• nx-cloud record -- nx format:check --base=1bc79652783bd5e47ad7e65025c359ea4be4c8fc --head=f39655f251b46f01a469398049c31235599ef403
• nx documentation --no-dte

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