Update transforms on SVG shapes/groups when root element size changed

https://bugs.webkit.org/show_bug.cgi?id=245120
<rdar://99854279>

Reviewed by Simon Fraser.

We need to also update transforms when the size of the RenderSVGRoot has changed, since percentage based transforms are relative to the root.

Tests:
- imported/w3c/web-platform-tests/css/css-transforms/transform-percent-010.html
- imported/w3c/web-platform-tests/css/css-transforms/transform-box/view-box-mutation-001.html
- imported/w3c/web-platform-tests/css/css-transforms/transform-box/view-box-mutation-003.html

* LayoutTests/TestExpectations:
* Source/WebCore/rendering/svg/SVGRenderSupport.cpp:
(WebCore::SVGRenderSupport::layoutChildren):

Canonical link: https://commits.webkit.org/254538@main

LayoutTests/TestExpectations

@@ -4175,15 +4175,12 @@ webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/scale-tra
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-background-007.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-background-008.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-box/fill-box-002.html [ ImageOnlyFailure ]
-webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-box/view-box-mutation-001.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-box/view-box-mutation-002.html [ ImageOnlyFailure ]
-webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-box/view-box-mutation-003.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-fixed-bg-002.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-fixed-bg-004.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-fixed-bg-005.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-fixed-bg-006.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-fixed-bg-007.html [ ImageOnlyFailure ]
-webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-percent-010.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-root-bg-001.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-root-bg-002.html [ ImageOnlyFailure ]
 webkit.org/b/230080 imported/w3c/web-platform-tests/css/css-transforms/transform-root-bg-003.html [ ImageOnlyFailure ]

Source/WebCore/rendering/svg/SVGRenderSupport.cpp

@@ -267,7 +267,7 @@ void SVGRenderSupport::layoutChildren(RenderElement& start, bool selfNeedsLayout
                     svgText.setNeedsTextMetricsUpdate();
                     svgText.setNeedsPositioningValuesUpdate();
                 }
-
+                child.setNeedsTransformUpdate();
                 needsLayout = true;
             }
         }