'Text (FreeType 2)' element only reading first line of file (when 'Read from file' is checked)

Operating System Info

Ubuntu 22.04

Other OS

No response

OBS Studio Version

28.0.3

OBS Studio Version (Other)

No response

OBS Studio Log URL

https://obsproject.com/logs/VJ5xkLXGk9ICAlaP

OBS Studio Crash Log URL

No response

Expected Behavior

Expected behavior: Each line of the text file would be read, and a multi-line string would be shown.

Current Behavior

Only the first line of the text file is read, and other lines aren't shown. See screenshot:

To summarize:

• I have 'Text(FreeType 2)' set to read a text file. The text file has 4 lines. Only the first line of the file is being rendered.

Steps to Reproduce

1. Create a text file with multiple lines of text.
2. Create a 'Text (FreeType 2)' source element
3. Check "Read from file", and in the 'Text File' field, select your multi-line file.
4. Observe that only one line of output is shown, regardless of how many lines your actual file has.
   ...

Anything else we should know?

No response

Reproduce the issue in OBS Studio 28.0.3 using a text file with four lines and a “Text (FreeType 2)” source with “Read from file” enabled. Trace the source's file-reading and rendering path; done means all lines are read and displayed as a multi-line string.