feat: 新增 edgeConfig 和 showPortOnNodeSelected

[lxfu1]

Description

• feat: 流程图新增连线默认样式配置
• feat: 新增鼠标交互，节点选中时仍然可以开启hover进行连线

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 5f7f660a6fa1eec372ccdd927462c64fb76b1110

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 8 packages

| Name | Type | | ------------------------ | ----- | | @antv/xflow-extension | Patch | | @antv/xflow | Patch | | @antv/xflow-core | Patch | | @antv/xflow-hook | Patch | | xflow-docs | Patch | | xflow-quick-start-cra-js | Patch | | xflow-quick-start-cra | Patch | | xflow-quick-start-umi | Patch |

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[lxfu1]

有业务方需要使用，我先通过。