luci-base: fix "null" text appearing in modal

[AndyChiang888]

fix "null" text appearing in modal

Pull request details

Description

Screenshot or video of changes (if applicable)

Maintainer (preferred)

@

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Tested on

OpenWrt version: SNAPSHOT
LuCI version: master
Web browser(s): Chrome 147.0.7727.102

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Checklist

• This PR is not from my main or master branch 💩, but a separate branch. ✅
• Each commit has a valid ✒️ Signed-off-by: <my@email.address> row (via git commit --signoff).
• Each commit and PR title has a valid 📝 <package name>: title first line subject for packages.
• Incremented 🆙 any PKG_VERSION in the Makefile.
• (Optional) Includes what Issue it closes (e.g. openwrt/luci#issue-number).
• (Optional) Includes what it depends on (e.g. openwrt/packages#pr-number in sister repo).

[systemcrash]

Looks like an acceptable fix @feckert

[github-actions]

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Issues marked with an ❌ are failing checks.

Commit d1d7e30

• ❌ Signed-off-by must match author
  Actual: missing or doesn't match author
  Expected: Signed-off-by: Andy Chiang <andychiang.git@outlook.com>

For more details, see the full job log.

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[ckorber]

Ah, my bad!
I forgot about that. I tested @AndyChiang888 's change and it works now when input is null.

[feckert]

@systemcrash Works as expected. Thanks.

@AndyChiang888 Please make CI/CD happy :-)

[AndyChiang888]

My email address changed, so CI/CD failed. I'll fix it.

[jow-]

Maybe just [ progress, infonode ?? '' ]

[AndyChiang888]

Will using '' cause DOM rendering issue?