Bun bundler incorrectly merges distinct CSS classes

[lleqsnoom]

What version of Bun is running?

1.1.42+50eec0025

What platform is your computer?

Linux 6.10.14-linuxkit aarch64 unknown

What steps can reproduce the bug?

Description:
When bundling CSS files using Bun, distinct classes with different flex-direction properties are incorrectly merged, resulting in unintended styling.

Steps to Reproduce:

1. Create a CSS file with the following content:

.flex-row-reverse {
    flex-direction: row-reverse;
}
.flex-col {
    flex-direction: column;
}

What is the expected behavior?

.flex-row-reverse {
    flex-direction: row-reverse;
}
.flex-col {
    flex-direction: column;
}

What do you see instead?

.flex-row-reverse, .flex-col {
    flex-direction: row-reverse;
}

Additional information

No response