[IFC][Ruby] Fix fast/ruby/ruby-justification.html

https://bugs.webkit.org/show_bug.cgi?id=264228

Reviewed by Antti Koivisto.

text-align applies to ruby interlinear annotation too (and we should only fallback to space-around when initial value is set).

* Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.cpp:
(WebCore::Layout::LineBuilder::placeInlineAndFloatContent):

Canonical link: https://commits.webkit.org/270251@main

Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.cpp

@@ -507,7 +507,7 @@ LineContent LineBuilder::placeInlineAndFloatContent(const InlineItemRange& needs
             auto runsExpandHorizontally = [&] {
                 if (isInIntrinsicWidthMode())
                     return false;
-                if (root().isRubyAnnotationBox()) {
+                if (root().isRubyAnnotationBox() && rootStyle.textAlign() == RenderStyle::initialTextAlign()) {
                     // FIXME: This is a workaround until after we generate inline boxes for annotation content.
                     return true;
                 }