webapi: move SVGAElement.getRelList out of the JsApi bridge block

Review pattern: the JsApi struct is for JS/v8 bridging only; the relList
getter is plain delegation with no v8 adaptation, so it moves to the
type and the bridge accessor references it.

Co-Authored-By: Karl Seguin <karlseguin@users.noreply.github.com>

src/browser/webapi/element/svg/A.zig

@@ -22,6 +22,7 @@ const Frame = @import("../../../Frame.zig");
 const Node = @import("../../Node.zig");
 const Element = @import("../../Element.zig");
 const AnimatedString = @import("../../svg/AnimatedString.zig");
+const DOMTokenList = @import("../../collections.zig").DOMTokenList;
 
 const Graphics = @import("Graphics.zig");
 
@@ -35,6 +36,10 @@ pub fn asNode(self: *A) *Node {
     return self.asElement().asNode();
 }
 
+pub fn getRelList(self: *A, frame: *Frame) !*DOMTokenList {
+    return self.asElement().getRelList(frame);
+}
+
 pub const JsApi = struct {
     pub const bridge = js.Bridge(A);
 
@@ -49,8 +54,5 @@ pub const JsApi = struct {
         return AnimatedString.getOrCreate(self.asElement(), .href, frame);
     }
 
-    pub const relList = bridge.accessor(_getRelList, null, .{});
-    fn _getRelList(self: *A, frame: *Frame) !*@import("../../collections.zig").DOMTokenList {
-        return self.asElement().getRelList(frame);
-    }
+    pub const relList = bridge.accessor(A.getRelList, null, .{});
 };