wxiaoguang 70fc47a22a Fix unclear "Owner" concept (#24233) ...

Some user/org pages use `Owner` variable. It's an incorrect concept
since year 2016: what is a user's owner?

Actually, new code is right: use `ContextUser`.

This PR cleans all legacy "Owner" variables.

## Screenshots for related pages and test results

All pages are as before:

### `web/org/home.go`


![image](https://user-images.githubusercontent.com/2114189/233366687-a3643025-1f78-474d-a901-deea35b72f4d.png)

### `web/user/profile.go`


![image](https://user-images.githubusercontent.com/2114189/233366812-2e5c2fbc-3f78-44e7-88c1-ec2f612c241e.png)

### `web/user/setting/profile.go`


![image](https://user-images.githubusercontent.com/2114189/233366928-7a1e52c9-b400-4379-a4be-af06a853c5fa.png)

2023-04-20 19:33:30 +02:00

..

admin

…

api/packages/pypi

…

base

Fix unclear "Owner" concept (#24233)

2023-04-20 19:33:30 +02:00

code

…

custom

…

devtest

Refactor locale number (#24134)

2023-04-17 11:37:23 +08:00

explore

…

mail

…

org

Fix unclear "Owner" concept (#24233)

2023-04-20 19:33:30 +02:00

package

Remove untranslatable on_date key (#24106)

2023-04-15 13:01:54 +02:00

projects

Add unset default project column (#23531)

2023-04-19 10:28:28 -04:00

repo

Fix issue attachment handling (#24202)

2023-04-20 02:39:44 -04:00

shared

…

status

Show friendly 500 error page to users and developers (#24110)

2023-04-14 13:19:11 +08:00

swagger

…

user

Fix unclear "Owner" concept (#24233)

2023-04-20 19:33:30 +02:00

home.tmpl

…

install.tmpl

…

post-install.tmpl

…