Cherry-pick 49637d0. rdar://problem/101876145

    Web Inspector: Regression(256223@main) Assertion in LayoutTests/inspector/css/getSupportedCSSProperties.html at WebCore::CSSProperty::isInheritedProperty
    https://bugs.webkit.org/show_bug.cgi?id=247398
    rdar://101876145

    Reviewed by Sam Weinig.

    Known CSSPropertyID values are actually 0 thru `firstCSSProperty` + `numCSSProperties`. `firstCSSProperty` has a value
    of 2, and `numCSSProperties` is 512, but the last property has an ID of 513.

    * Source/WebCore/css/makeprop.pl:

    Canonical link: https://commits.webkit.org/256275@main

Canonical link: https://commits.webkit.org/256138.59@safari-7615.1.12-branch

Source/WebCore/css/makeprop.pl

@@ -659,7 +659,7 @@ sub sortByDescendingPriorityAndName
 
 bool CSSProperty::isInheritedProperty(CSSPropertyID id)
 {
-    ASSERT(id <= lastCSSProperty);
+    ASSERT(id < firstCSSProperty + numCSSProperties);
     ASSERT(id != CSSPropertyInvalid);
     return isInheritedPropertyTable[id];
 }