Distinguish official vs non-official reviews, add tool tips, and upgr… (#31924)

This Pull Request is a follow up to
https://github.com/go-gitea/gitea/pull/31886:

1. Adds a UI indicator between official (green) and unofficial (grey)
approved pull requests on the Pull Request page (as suggested by
@kdumontnu )
2. Adds tooltips adding clarity to the type and status of a review on
the Pull Request page (as suggested by @kdumontnu)
3. Updates text adding more clarity to required approvals (as suggested
by @kdumontnu)
4. Updates text on the branch settings page explaining what branch
approval limitations (as suggested by @yp05327)

Official approval:
<img width="376" alt="Screenshot 2024-08-26 at 1 03 52 PM"
src="https://github.com/user-attachments/assets/500f083d-bfc0-45c5-82b7-b98e20495696">

Unofficial approval:
<img width="442" alt="Screenshot 2024-08-26 at 12 53 15 PM"
src="https://github.com/user-attachments/assets/e8c565ff-5886-4ce1-8b79-a0fa26c282f7">

Rejected approval:
<img width="452" alt="Screenshot 2024-08-26 at 12 53 06 PM"
src="https://github.com/user-attachments/assets/aebc0e2f-7052-4dea-8098-7caa0db86617">

Stale approval:
<img width="546" alt="Screenshot 2024-08-26 at 1 07 59 PM"
src="https://github.com/user-attachments/assets/da599ff3-e35c-4fa3-8141-ed80b738dd77">

Requested review tooltip:
<img width="434" alt="Screenshot 2024-08-26 at 12 53 22 PM"
src="https://github.com/user-attachments/assets/460d163e-8724-43b6-8760-34b285da8fe2">

Updated text for approvals:
<img width="991" alt="Screenshot 2024-08-26 at 12 54 00 PM"
src="https://github.com/user-attachments/assets/ab3ff012-9742-4c1b-933d-21addcb89f2c">

Updated text for allowlisted/whitelisted approvals:
<img width="990" alt="Screenshot 2024-08-26 at 1 01 40 PM"
src="https://github.com/user-attachments/assets/1a5bae61-d9e0-4d96-b86f-92610b0940d1">

Protected branch settings text:
<img width="1022" alt="Screenshot 2024-08-26 at 1 01 14 PM"
src="https://github.com/user-attachments/assets/892ce208-e1c2-41f7-8fec-46d5a0e7e776">

Comments list:
<img width="1048" alt="Screenshot 2024-08-28 at 9 25 31 AM"
src="https://github.com/user-attachments/assets/9c5c00c5-06cf-43b3-b413-4f7f673609b2">

---------

Co-authored-by: Kyle D. <kdumontnu@gmail.com>

options/locale/locale_en-US.ini

@@ -1752,6 +1752,12 @@ issues.review.hide_resolved = Hide resolved
 issues.review.resolve_conversation = Resolve conversation
 issues.review.un_resolve_conversation = Unresolve conversation
 issues.review.resolved_by = marked this conversation as resolved
+issues.review.comment = Comment
+issues.review.official = Approved
+issues.review.requested = Review pending
+issues.review.rejected = Changes requested
+issues.review.stale = Updated since approval
+issues.review.unofficial = Uncounted approval
 issues.assignee.error = Not all assignees was added due to an unexpected error.
 issues.reference_issue.body = Body
 issues.content_history.deleted = deleted
@@ -1825,7 +1831,8 @@ pulls.is_empty = "The changes on this branch are already on the target branch. T
 pulls.required_status_check_failed = Some required checks were not successful.
 pulls.required_status_check_missing = Some required checks are missing.
 pulls.required_status_check_administrator = As an administrator, you may still merge this pull request.
-pulls.blocked_by_approvals = "This pull request doesn't have enough approvals yet. %d of %d approvals granted."
+pulls.blocked_by_approvals = "This pull request doesn't have enough required approvals yet. %d of %d official approvals granted."
+pulls.blocked_by_approvals_whitelisted = "This pull request doesn't have enough required approvals yet. %d of %d approvals granted from users or teams on the allowlist."
 pulls.blocked_by_rejection = "This pull request has changes requested by an official reviewer."
 pulls.blocked_by_official_review_requests = "This pull request has official review requests."
 pulls.blocked_by_outdated_branch = "This pull request is blocked because it's outdated."
@@ -2413,7 +2420,7 @@ settings.protect_status_check_matched = Matched
 settings.protect_invalid_status_check_pattern = Invalid status check pattern: "%s".
 settings.protect_no_valid_status_check_patterns = No valid status check patterns.
 settings.protect_required_approvals = Required approvals:
-settings.protect_required_approvals_desc = Allow only to merge pull request with enough positive reviews.
+settings.protect_required_approvals_desc = Allow only to merge pull request with enough required approvals. Required approvals are either from users or teams who are on the allowlist or anyone with write access.
 settings.protect_approvals_whitelist_enabled = Restrict approvals to allowlisted users or teams
 settings.protect_approvals_whitelist_enabled_desc = Only reviews from allowlisted users or teams will count to the required approvals. Without approval allowlist, reviews from anyone with write access count to the required approvals.
 settings.protect_approvals_whitelist_users = Allowlisted reviewers: