消息撤回与删除需要进一步的确认

[moonrailgun]

增加弹窗让用户进行确认

[perfsee]

tailchat

Bundle main

diff ------------------- Bundle Size Diff -------------------------

@@                        EntryPoint: app                        @@
##                     master         master                 +/- ##
===================================================================
< Bundle              4.51 MB        4.51 MB        +4 B(+0.00%)   
< Initial JS          1.19 MB        1.19 MB        +4 B(+0.00%)   
= Initial CSS          727 kB         727 kB                       
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#
= Assets                   32             32                       
= Chunks                   22             22                       
= Packages                187            187                       
= Duplicates                4              4                       
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Warnings ~~~~~~~~~~~~~~~~~~~~~~~~~~~#
! Deduplicate versions of libraries                                
! Separate mixed content assets files                              
! Avoid non-minified assets