String blocks with \ breaks highlighting

[agreedSkiing]

Environment

• Operating System:

> uname -a
Linux DI-001000095350 5.15.90.1-microsoft-standard-WSL2 #1 SMP Fri Jan 27 02:56:13 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
> lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.6 LTS
Release:        20.04
Codename:       focal

• JDK version:

> mvn --version
Apache Maven 3.9.6 (bc0240f3c744dd6b6ec2920b3cd08dcc295161ae)
Maven home: /home/eriase/.local/share/mise/installs/maven/latest
Java version: 17.0.10, vendor: Oracle Corporation, runtime: /home/eriase/.local/share/mise/installs/java/oracle-17.0.10
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "5.15.90.1-microsoft-standard-wsl2", arch: "amd64", family: "unix"
> mvnd --version
Apache Maven Daemon (mvnd) 1.0-m8 linux-amd64 native client (0f4bdb6df5e74453d8d558d292789da4e66a7933)
Terminal: org.jline.terminal.impl.PosixSysTerminal with pty org.jline.terminal.impl.jansi.linux.LinuxNativePty
Apache Maven 3.9.5 (57804ffe001d7215b5e7bcb531cf83df38f93546)
Maven home: /home/eriase/.local/share/mise/installs/mvnd/1.0-m8-m39/mvn
Java version: 17.0.10, vendor: Oracle Corporation, runtime: /home/eriase/.local/share/mise/installs/java/oracle-17.0.10
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "5.15.90.1-microsoft-standard-wsl2", arch: "amd64", family: "unix"

• Visual Studio Code version:

Version: 1.82.1 (system setup)
Commit: 6509174151d557a81c9d0b5f8a5a1e9274db5585
Date: 2023-09-08T08:45:05.575Z
Electron: 25.8.0
ElectronBuildId: 23503258
Chromium: 114.0.5735.289
Node.js: 18.15.0
V8: 11.4.183.29-electron.0
OS: Windows_NT x64 10.0.19045

• Java extension version:

Name: Language Support for Java(TM) by Red Hat
Id: redhat.java
Description: Java Linting, Intellisense, formatting, refactoring, Maven/Gradle support and more...
Version: 1.28.1
Publisher: Red Hat
VS Marketplace Link: https://marketplace.visualstudio.com/items?itemName=redhat.java

Steps To Reproduce

1. Create a java project
2. Recreate this main method

    public static void main(String[] args) {
        String something = """
            Hello world \

            """;
        int i = 1123;
        Integer other = 123123;
    }

string-block.tar.gz
client.log
java.log

Current Result

Expected Result

Keep formattning as this picture

Additional Informations

[rgrunber]

This is exactly #3488 . Marking as a duplicate so we can track the progress there.