LibWeb: Reset line-height for select elements

Author: https://github.com/tcl3
Commit: d41f77be64
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7756
Reviewed-by: https://github.com/gmta ✅

Libraries/LibWeb/HTML/HTMLSelectElement.cpp

@@ -11,6 +11,7 @@
 #include <LibWeb/Bindings/Intrinsics.h>
 #include <LibWeb/CSS/ComputedProperties.h>
 #include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
+#include <LibWeb/CSS/StyleValues/KeywordStyleValue.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/ElementFactory.h>
 #include <LibWeb/DOM/Event.h>
@@ -85,6 +86,9 @@ void HTMLSelectElement::adjust_computed_style(CSS::ComputedProperties& style)
     //         This is required for the internal shadow tree to work correctly in layout.
     if (style.display().is_inline_outside() && style.display().is_flow_inside())
         style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::InlineBlock)));
+
+    // AD-HOC: Enforce normal line-height for select elements. This matches the behavior of other engines.
+    style.set_property(CSS::PropertyID::LineHeight, CSS::KeywordStyleValue::create(CSS::Keyword::Normal));
 }
 
 // https://html.spec.whatwg.org/multipage/form-elements.html#concept-select-size