Split lfs size from repository size (#22900)

releated to #21820

- Split `Size` in repository table as two new colunms, one is `GitSize`
for git size, the other is `LFSSize` for lfs data. still store full size
in `Size` colunm.
- Show full size on ui, but show each of them by a `title`;  example:

![image](https://user-images.githubusercontent.com/25342410/218636251-e200f085-d7e7-4a25-9ff1-b586a63e07a9.png)

- Return full size in api response.

---------

Signed-off-by: a1012112796 <1012112796@qq.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: DmitryFrolovTri <23313323+DmitryFrolovTri@users.noreply.github.com>
Co-authored-by: Giteabot <teabot@gitea.io>

templates/user/settings/repos.tmpl

@@ -24,7 +24,7 @@
 											<span class="icon">{{svg "octicon-repo"}}</span>
 										{{end}}
 										<a class="muted name" href="{{$repo.Link}}">{{$repo.OwnerName}}/{{$repo.Name}}</a>
-										<span class="text light-3">{{FileSize $repo.Size}}</span>
+										<span class="text light-3" {{if not (eq $repo.Size 0)}} data-tooltip-content="{{$repo.SizeDetailsString}}"{{end}}>{{FileSize $repo.Size}}</span>
 										{{if $repo.IsFork}}
 											{{$.locale.Tr "repo.forked_from"}}
 											<span><a href="{{$repo.BaseRepo.Link}}">{{$repo.BaseRepo.OwnerName}}/{{$repo.BaseRepo.Name}}</a></span>