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 ✅

Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-has-indexed-property-getter.txt

@@ -155,6 +155,8 @@ All properties associated with getComputedStyle(document.body):
     "flex-shrink",
     "flex-wrap",
     "float",
+    "flood-color",
+    "flood-opacity",
     "grid-auto-columns",
     "grid-auto-flow",
     "grid-auto-rows",

Tests/LibWeb/Text/expected/css/CSSStyleProperties-all-supported-properties-and-default-values.txt

@@ -385,6 +385,10 @@ All supported properties and their default values exposed from CSSStylePropertie
 'flexWrap': 'nowrap'
 'flex-wrap': 'nowrap'
 'float': 'none'
+'floodColor': 'rgb(0, 0, 0)'
+'flood-color': 'rgb(0, 0, 0)'
+'floodOpacity': '1'
+'flood-opacity': '1'
 'font': '16px serif'
 'fontFamily': 'serif'
 'font-family': 'serif'

Tests/LibWeb/Text/expected/css/getComputedStyle-print-all.txt

@@ -153,6 +153,8 @@ flex-grow: 0
 flex-shrink: 1
 flex-wrap: nowrap
 float: none
+flood-color: rgb(0, 0, 0)
+flood-opacity: 1
 grid-auto-columns: auto
 grid-auto-flow: row
 grid-auto-rows: auto
@@ -163,7 +165,7 @@ grid-row-start: auto
 grid-template-areas: none
 grid-template-columns: none
 grid-template-rows: none
-height: 2475px
+height: 2505px
 inline-size: 784px
 inset-block-end: auto
 inset-block-start: auto