refactor: use db independent offset syntax (#31345)

* chore: use db independent offset syntax

* fix: typo

* style: reformat code to black spec

Co-authored-by: Ankush Menat <ankush@frappe.io>
diff --git a/erpnext/projects/doctype/project/project.py b/erpnext/projects/doctype/project/project.py
index 8a8e1d1..c613fe6 100644
--- a/erpnext/projects/doctype/project/project.py
+++ b/erpnext/projects/doctype/project/project.py
@@ -391,7 +391,7 @@
 			if(locate(%(_txt)s, full_name), locate(%(_txt)s, full_name), 99999),
 			idx desc,
 			name, full_name
-		limit %(start)s, %(page_len)s""".format(
+		limit %(page_len)s offset %(start)s""".format(
 			**{
 				"key": searchfield,
 				"fcond": get_filters_cond(doctype, filters, conditions),
diff --git a/erpnext/projects/doctype/task/task.py b/erpnext/projects/doctype/task/task.py
index 4575fb5..0e409fc 100755
--- a/erpnext/projects/doctype/task/task.py
+++ b/erpnext/projects/doctype/task/task.py
@@ -288,7 +288,7 @@
 			%(mcond)s
 			{search_condition}
 		order by name
-		limit %(start)s, %(page_len)s""".format(
+		limit %(page_len)s offset %(start)s""".format(
 			search_columns=search_columns, search_condition=search_cond
 		),
 		{
diff --git a/erpnext/projects/doctype/timesheet/timesheet.py b/erpnext/projects/doctype/timesheet/timesheet.py
index 2ef966b..88d5bee 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.py
+++ b/erpnext/projects/doctype/timesheet/timesheet.py
@@ -328,7 +328,7 @@
 			ts.status in ('Submitted', 'Payslip') and tsd.parent = ts.name and
 			tsd.docstatus = 1 and ts.total_billable_amount > 0
 			and tsd.parent LIKE %(txt)s {condition}
-			order by tsd.parent limit %(start)s, %(page_len)s""".format(
+			order by tsd.parent limit %(page_len)s offset %(start)s""".format(
 			condition=condition
 		),
 		{
@@ -515,7 +515,7 @@
 					tsd.project IN %(projects)s
 				)
 			ORDER BY `end_date` ASC
-			LIMIT {0}, {1}
+			LIMIT {1} offset {0}
 		""".format(
 				limit_start, limit_page_length
 			),
diff --git a/erpnext/projects/utils.py b/erpnext/projects/utils.py
index 000ea66..3cc4da4 100644
--- a/erpnext/projects/utils.py
+++ b/erpnext/projects/utils.py
@@ -25,7 +25,7 @@
 			case when `%s` like %s then 0 else 1 end,
 			`%s`,
 			subject
-		limit %s, %s"""
+		limit %s offset %s"""
 		% (searchfield, "%s", "%s", match_conditions, "%s", searchfield, "%s", searchfield, "%s", "%s"),
-		(search_string, search_string, order_by_string, order_by_string, start, page_len),
+		(search_string, search_string, order_by_string, order_by_string, page_len, start),
 	)