Fix bugs in org/user level projects

[yp05327]

Description

PR #22235 introduced many bugs.

The following list is what I have found, and Im working on them.

Bugs:

1. Add missing tabs to org projects page #22705
2. Fix invalid issues in project boards #22865
3. Team permission not work in projects:
   A user in a team which has Admin Permission. But can not create a project.
   It seems there's something wrong.
   ⬇
   team.Units in UnitMaxAccess is empty.
   ⬇
   Not only team.Units is empty but also Repos Members and so on....
   This will be fixed in Fix invalid issues in project boards #22865

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(2023/02/14)
Bugs:
4. the projectlist in issue create page need to show the type of this project.
If an org project's name is as same as a repo project it is hard to know which project to choose.

5. create an issue which links to an org project will redirect to 404 page
we only have project_id in the form, it is necessary to add project_type or change project_id to project_link or something else.

4,5 will be fixed in #22865

Feature:

1. Different header styles
2. Strange URL Link
3. Issue can select multi projects(repo, user/org)

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Gitea Version

fb1a2a1

Can you reproduce the bug on the Gitea demo site?

No

Log Gist

No response

Screenshots

No response

Git Version

No response

Operating System

No response

How are you running Gitea?

build

Database

None

[yp05327]

I will move the Feature requests to a new issue after bugs are fixed.
This issue will focues on the bugs.

[genofire]

It leaks also issues from private Projects (and so the exists of private Projects).

[wxiaoguang]

Most of them should have been fixed. Feel free to open new issues for new problems.