fix: share dyn

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/bangumi/introduction/controller.dart

@@ -358,7 +358,6 @@ class BangumiIntroController
                           "url": item.shareUrl,
                           "headline": title,
                           "source": 16,
-                          "extra": {},
                           "thumb": item.cover,
                           "source_desc": switch (bangumiItem!.type) {
                             1 => '番剧',

lib/pages/dynamics/widgets/author_panel.dart

@@ -335,10 +335,10 @@ class AuthorPanel extends StatelessWidget {
                         throw UnsupportedError(
                             'error getting title: {"type": ${item.basic!.commentType}, "id": $id}');
                       }
-                      String thumb = isDyn
-                          ? item.modules.moduleAuthor!.face!
-                          : item.modules.moduleDynamic!.major!.opus!.pics!.first
-                              .url!;
+                      String? thumb = isDyn
+                          ? item.modules.moduleAuthor?.face
+                          : item.modules.moduleDynamic?.major?.opus?.pics
+                              ?.firstOrNull?.url;
                       PageUtils.pmShare(
                         context,
                         content: {
@@ -346,8 +346,7 @@ class AuthorPanel extends StatelessWidget {
                           "title": title,
                           "headline": "",
                           "source": source,
-                          "extra": {},
-                          "thumb": thumb,
+                          if (thumb?.isNotEmpty == true) "thumb": thumb,
                           "author": item.modules.moduleAuthor!.name,
                           "author_id": item.modules.moduleAuthor!.mid.toString()
                         },