feat(rest): Create new endpoint to cancel all scheduled services in schedule tab.

[nikkuma7]

Description

Create new endpoint to cancel all the schedule task. means if any numbers of schedule services are running and we can cancel all the task on single service call.

Note: Users should have admin access.

Steps followed and expected result

Describe the steps followed by you and your expected results after following the steps.

Screenshots

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[keerthi-bl]

@nikkuma7 :
Please elaborate/describe issue in few words and also please mention which are all the scheduled services get affected - for better understanding.