Copying text from source code view/diff view adds or removes newlines

[CirnoT]

• Gitea version (or commit ref): dbd5e4b
• Git version: gitea:latest
• Operating system: gitea:latest
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL)
  • No
  • Not relevant

Description

Copying selected chunk of text from source code/diff view either removes all newlines or produces additional ones when unnecessary. Removal happens on Chromium, while on Firefox newlines are added.

Screenshots

https://try.gitea.io/L0veSunshine/drone-gitea-release/src/branch/master/Dockerfile.arm

Original:

Firefox:

FROM plugins/base:multiarch

LABEL maintainer="Drone.IO Community <drone-dev@googlegroups.com>" \

  org.label-schema.name="Drone Gitea Release" \

  org.label-schema.vendor="Drone.IO Community" \

  org.label-schema.schema-version="1.0"

ADD release/linux/arm/drone-gitea-release /bin/

ENTRYPOINT [ "/bin/drone-gitea-release" ]

Chromium:

FROM plugins/base:multiarch
LABEL maintainer="Drone.IO Community <drone-dev@googlegroups.com>" \
  org.label-schema.name="Drone Gitea Release" \
  org.label-schema.vendor="Drone.IO Community" \
  org.label-schema.schema-version="1.0"
ADD release/linux/arm/drone-gitea-release /bin/
ENTRYPOINT [ "/bin/drone-gitea-release" ]

[silverwind]

Also noticed this, it's a regression from #12047.

[mrsdizzie]

Added PR that should fix this if anybody can test