fix: recursion issue while submitting work order (backport #40400) (#…

…40401)

* fix: recursion issue while submitting work order (#40400)

(cherry picked from commit 72614bb)

# Conflicts:
#	erpnext/manufacturing/doctype/job_card/job_card.py

* chore: fix conflicts

---------

Co-authored-by: rohitwaghchaure <rohitw1991@gmail.com>

erpnext/manufacturing/doctype/job_card/job_card.py

@@ -215,7 +215,7 @@ def get_overlap_for(self, args):
 		if not self.has_overlap(production_capacity, existing_time_logs):
 			return {}
 
-		if self.workstation_type:
+		if not self.workstation and self.workstation_type:
 			if workstation := self.get_workstation_based_on_available_slot(existing_time_logs):
 				self.workstation = workstation
 				return None
@@ -305,7 +305,7 @@ def check_workstation_time(self, row):
 		if not workstation_doc.working_hours or cint(
 			frappe.db.get_single_value("Manufacturing Settings", "allow_overtime")
 		):
-			if get_datetime(row.planned_end_time) < get_datetime(row.planned_start_time):
+			if get_datetime(row.planned_end_time) <= get_datetime(row.planned_start_time):
 				row.planned_end_time = add_to_date(row.planned_start_time, minutes=row.time_in_mins)
 				row.remaining_time_in_mins = 0.0
 			else: