feat:优化首页Tab-Fragment的可见检测逻辑

fix：修复部分空指针异常

core/src/main/java/com/chwl/core/user/UserModel.java

@@ -840,6 +840,9 @@ public final class UserModel extends BaseModel implements IUserModel {
 
     @Override
     public boolean isSamePartition(long partitionId) {
+        if (currentUserInfo == null) {
+            return false;
+        }
         if (currentUserInfo.partitionId == 0) {
             return true;
         }
@@ -848,6 +851,9 @@ public final class UserModel extends BaseModel implements IUserModel {
 
     @Override
     public long getPartitionId() {
+        if (currentUserInfo == null) {
+            return 0;
+        }
         return currentUserInfo.partitionId;
     }