Wrong share ID message is not shown properly

[davitol]

Steps to reproduce

1. user Alice shares a file with Bob
2. as user Bob browse to page shared with you
3. user Alice deletes the share
4. user Bob tries to decline the share

Expected behaviour

Error message should be shown properly

Actual behaviour

Server configuration

Operating system:
Ubuntu 18.04
Web server:
Apache 2
Database:
MySQL
PHP version:
7.2
ownCloud version: (see ownCloud admin page)
10.3.0alpha2
Updated from an older ownCloud or fresh install:
fresh

Client configuration

Browser:
FF
Operating system:
Ubuntu 18.04

Logs

Browser log

[micbar]

@davitol Did you compare with 10.2 ?
Is this a regression?

[davitol]

@davitol Did you compare with 10.2 ?
Is this a regression?

I checked in 10.1.1. and 10.2.1 and happens so it is not a regression

[AlexAndBear]

Seems like ' will be escaped with ' which is quite wrong

Should be '

Looks like it gets double escaped