fix(attributes.filter)!: fix filter attribute for links (#2450)

Author: kumilingus

packages/joint-core/src/dia/Paper.mjs

@@ -2947,14 +2947,9 @@ export const Paper = View.extend({
                 throw new Error('Non-existing filter ' + name);
             }
 
-            // Set the filter area to be 3x the bounding box of the cell
-            // and center the filter around the cell.
+            // SVG <filter/> attributes
             var filterAttrs = assign({
-                filterUnits: 'objectBoundingBox',
-                x: -1,
-                y: -1,
-                width: 3,
-                height: 3
+                filterUnits: 'userSpaceOnUse',
             }, filter.attrs, {
                 id: filterId
             });