[MODERATION] organization blocking a user (#802)

- Resolves #476
- Follow up for: #540
- Ensure that the doer and blocked person cannot follow each other.
- Ensure that the block person cannot watch doer's repositories.
- Add unblock button to the blocked user list.
- Add blocked since information to the blocked user list.
- Add extra testing to moderation code.
- Blocked user will unwatch doer's owned repository upon blocking.
- Add flash messages to let the user know the block/unblock action was successful.
- Add "You haven't blocked any users" message.
- Add organization blocking a user.

Co-authored-by: Gusted <postmaster@gusted.xyz>
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/802
(cherry picked from commit 0505a10421)
(cherry picked from commit 37b4e6ef9b)
(cherry picked from commit c17c121f2c)

[MODERATION] organization blocking a user (#802) (squash)

Changes to adapt to:

  6bbccdd177 Improve AJAX link and modal confirm dialog (#25210)

Refs: https://codeberg.org/forgejo/forgejo/pulls/882/files#issuecomment-945962
Refs: https://codeberg.org/forgejo/forgejo/pulls/882#issue-330561
(cherry picked from commit 523635f83c)
(cherry picked from commit 4743eaa6a0)
(cherry picked from commit eff5b43d2e)

Conflicts: https://codeberg.org/forgejo/forgejo/pulls/1014
	routers/web/user/profile.go
(cherry picked from commit 9d359be5ed)

options/locale/locale_en-US.ini

@@ -607,6 +607,7 @@ block_user = Block User
 block_user.detail = Please understand that if you block this user, other actions will be taken. Such as:
 block_user.detail_1 = You are being unfollowed from this user.
 block_user.detail_2 = This user cannot interact with your repositories, created issues and comments.
+follow_blocked_user = You cannot follow this user because you have blocked this user or this user has blocked you.
 
 form.name_reserved = The username "%s" is reserved.
 form.name_pattern_not_allowed = The pattern "%s" is not allowed in a username.
@@ -898,6 +899,7 @@ hooks.desc = Add webhooks which will be triggered for <strong>all repositories</
 
 orgs_none = You are not a member of any organizations.
 repos_none = You do not own any repositories
+blocked_users_none = You haven't blocked any users.
 
 delete_account = Delete Your Account
 delete_prompt = This operation will permanently delete your user account. It <strong>CANNOT</strong> be undone.
@@ -920,6 +922,10 @@ visibility.limited_tooltip = Visible to authenticated users only
 visibility.private = Private
 visibility.private_tooltip = Visible only to organization members
 
+blocked_since = Blocked since %s
+user_unblock_success = The user has been unblocked successfully.
+user_block_success = The user has been blocked successfully.
+
 [repo]
 new_repo_helper = A repository contains all project files, including revision history.  Already have it elsewhere? <a href="%s">Migrate repository.</a>
 owner = Owner
@@ -2533,6 +2539,7 @@ team_access_desc = Repository access
 team_permission_desc = Permission
 team_unit_desc = Allow Access to Repository Sections
 team_unit_disabled = (Disabled)
+follow_blocked_user = You cannot follow this organisation because this organisation has blocked you.
 
 form.name_reserved = The organization name "%s" is reserved.
 form.name_pattern_not_allowed = The pattern "%s" is not allowed in an organization name.