RichTextLabel coloring issue with underlining or striking BBCode tag if color tag is also used at the beginning of a line

[TheRealSlander]

Godot version

4.2.beta3 (and all the other 4.2.x flavors)

System information

Manjaro Linux (DE: Cinnamon v5.8.4) 64 bits

Issue description

When using a color tag (BBCode) at the beginning of a RichTextLabel text, when striking/underlining is also used on this colored text later, the lines created by the striking/underlining are colored until the end of the line.

If text is on multiple lines, only the lines beginning with a color tag are impacted until the end of this particular line (by the end I mean when the control's end is reached, generating a new line by wordwrap, not when a new line is manually introduced).

Expected result should be a matching of the underlining/striking color with the related text above/under.

Steps to reproduce

I provide a MRP below, but simply adding color tag at the beginning of a RTL text for only a few words and also adding [s]..[/s] around the whole text would trigger the issue.

Text should be partially colored only and the striking/underlining should be applied to the whole text to see the actual issue.

Minimal reproduction project

The small application seen in the screenshot above:
Rich Text Label Issue.zip