[Bug 51809] New: regression: no fonts in steam with wine-6.18

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51809

Bug ID: 51809
           Summary: regression: no fonts in steam with wine-6.18
           Product: Wine
           Version: 6.18
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 70697
  --> https://bugs.winehq.org/attachment.cgi?id=70697
steam.png

After upgrading to wine-staging 6.18, Steam login window doesn't display any
text. wine-vanilla 6.18 doen't work too. wine-staging 6.17 works fine.

Reproduction:
1. Use wine or wine-staging 6.18.
2. Install and run Steam client.

Expected result:
Steam login window with text.

Actual result:
No text is present on Steam login window. See attached image.

Additional information:
Stdout/stderr contains following line multiple times:

src\vgui2\vgui_surfacelib\Win32Font.cpp (963) : Assertion Failed: Couldn't get
string length

No such output is present when wine 6.17 is used.