LibWeb/SVG: Add FEFloodElement

Author: https://github.com/ananas-dev
Commit: d3684a36b0
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5028
Reviewed-by: https://github.com/gmta ✅

Libraries/LibWeb/CMakeLists.txt

@@ -823,6 +823,7 @@ set(SOURCES
     SVG/SVGDescElement.cpp
     SVG/SVGElement.cpp
     SVG/SVGEllipseElement.cpp
+    SVG/SVGFEFloodElement.cpp
     SVG/SVGFilterElement.cpp
     SVG/SVGForeignObjectElement.cpp
     SVG/SVGGElement.cpp