refactor(core): calculate correct handle pos in handle lookup (#1494)

* refactor(core): use `getHandlePosition` to calculate handle pos

* chore(changeset): add

packages/core/src/components/ConnectionLine/index.ts

@@ -74,11 +74,7 @@ const ConnectionLine = defineComponent({
 
       const fromHandle = (startHandleId ? handleBounds.find((d) => d.id === startHandleId) : handleBounds[0]) ?? null
       const fromPosition = fromHandle?.position || Position.Top
-      const { x: fromX, y: fromY } = getHandlePosition(
-        fromPosition,
-        { ...fromNode.value.dimensions, ...fromNode.value.computedPosition },
-        fromHandle,
-      )
+      const { x: fromX, y: fromY } = getHandlePosition(fromPosition, fromNode.value, fromHandle)
 
       let toHandle: HandleElement | null = null
       if (toNode.value && connectionEndHandle.value?.handleId) {