feat(aigc): add shared work page and AIGC sharing

- add new shared work page to view shared AIGC generated images and videos
- add createAigcGeneratorTaskShare and getAigcGeneratorTaskShareDetail APIs
- update ResultActions component to add share preparation state and native share support
- remove deprecated SharePreviewPopup component and its associated styles
- update AIGC detail page to generate share keys and adjust native share metadata
- register the new shared work page in pages.json

src/pages.json

@@ -182,6 +182,12 @@
             "navigationStyle": "custom"
           }
         },
+        {
+          "path": "sharedWork/sharedWork",
+          "style": {
+            "navigationStyle": "custom"
+          }
+        },
         {
           "path": "recharge/recharge",
           "style": {