[FLINK-13591][web]: fix job list display when job name is too long

[vthinkxie]

What is the purpose of the change

fix Job List in Flink web doesn't display right when the job name is very long

Brief change log

add max-width to the td of job name column table to 40%

Verifying this change

• Submit a job with long name (more than 200 char)
• Visit the overview page

The job name column is not more than 40% width of table

before

after fix

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (no)
• The serializers: (no)
• The runtime per-record code paths (performance sensitive): (no)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
• The S3 file system connector: (no)

Documentation

• Does this pull request introduce a new feature? (no)

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Automated Checks

Last check on commit 5d24947 (Fri Sep 06 09:11:52 UTC 2019)

Warnings:

• No documentation files were touched! Remember to keep the Flink docs up to date!

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Review Progress

• ❓ 1. The [description] looks good.
• ❓ 2. There is [consensus] that the contribution should go into to Flink.
• ❓ 3. Needs [attention] from.
• ❓ 4. The change fits into the overall [architecture].
• ❓ 5. Overall code [quality] is good.

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CI report:

• 5d24947 : FAILURE Build

[KurtYoung]

+1, thanks for fixing this