* fix: Other user must not able to delete other user's comment except Admin

* Update frappe/public/js/frappe/form/footer/form_timeline.js

Co-authored-by: Sagar Vora <sagar@resilient.tech>

* fix: Close condition scope

Co-authored-by: Sagar Vora <sagar@resilient.tech>
Co-authored-by: Suraj Shetty <13928957+surajshetty3416@users.noreply.github.com>
(cherry picked from commit e4137ca8a1)

# Conflicts:
#	frappe/public/js/frappe/form/footer/form_timeline.js

perf: limit rows to 1 for `get_value` and `exists`

(cherry picked from commit 7bb172365f)

# Conflicts:
#	frappe/database/database.py

(cherry picked from commit ac5effc7dd)

# Conflicts:
#	frappe/database/database.py

(cherry picked from commit 6612232bab)

# Conflicts:
#	frappe/permissions.py

refactor: `frappe.db.exists`

fix: web form list empty state

fix: web form list button

refactor: remove unused fallback value

fix: backup utils

refactor: remove useless pass, log error

fix: use result of `Array.concat()`

fixes: https://github.com/frappe/frappe/issues/16068

Also, renamed avoid_dirty to skip_dirty_trigger to be more explicit

JSON doesn't allow null key as per spec, it should be a string only: https://datatracker.ietf.org/doc/html/rfc7159#section-4

ref discussions:
* https://github.com/frappe/frappe/issues/14292
* https://github.com/frappe/frappe/pull/14504/files#r821526085