Fixed Json Parsing issue

4.8.4 bug fixes v2 (#68)

* Fix for parsing issue while creating batch

cbrelease-4.8.4_RC3: 4.8.4 bug fixes (#67)

* bug #99529 bug #99530  (#63)
* Fix for batch create issue due to column type change
* Fix for parse issue in enrol API

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Co-authored-by: Sahil-tarento <140611066+Sahil-tarento@users.noreply.github.com>
Co-authored-by: SaipradeepR <53404427+SaipradeepR@users.noreply.github.com>
Co-authored-by: saipradeep_ravipati <saipradeep.ravipati@tarento.com>

cbrelease-4.8.4_RC2

Fix to provide certificates of retired courses in user profile - Cbre…

cbrelease-4.8.4_RC1: Dev 4.8.4 (#61)

Enhancements w.r.t. Blended program feature

cbrelease-4.8.3_RC1: 4.8.0 content security (#53) (#54)

Enhancements w.r.t. content security

cbrelease-4.8.0_RC6: Cbrelease 4.8.0 (#39) (#40)

* changed logic to update batch lookup table

Co-authored-by: vikrantbipin <118338417+vikrantbipin@users.noreply.github.com>

Performance enhancements in User enrolment

Added lookup tables for reading participants for batchId - this avoids allow filtering in cassandra query.
Added pagination for get participant API.

Performance enhancements in User enrolment

4.8.0 lookup enhancements (#36)

* sunbird-course-getPatrcipantList changes

* Batch listing updates (#35)

* Changes for particpant list - includes crud

* Fixes in user enrollment and lookup table

* Modifications for CassandraOperations files

* Removed unnecessary changes

* Removed unnecessary changes

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Co-authored-by: wilky singh <wilky.singh@tarento.com>

* Updated code as per new version

* Added limit for participants list

* Removed unnecessary info statement

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Co-authored-by: sreeragksgh <sreeragsajeesh@gmail.com>
Co-authored-by: somvitbhowmik <38094153+somvitbhowmik@users.noreply.github.com>
Co-authored-by: wilky singh <wilky.singh@tarento.com>

Performance enhancements in User enrolment

Cbrelease 4.0.1 rc3 null fix (#29)

* Handle null pointer for enroll API

cbrelease-4.8.0_RC2: Cbrelease 4.0.1 rc3 null fix (#29)

* Handle null pointer for enroll API