#2748 Teleplan Check Eligibility hangs

Bug: http://sourceforge.net/p/oscarmcmaster/bugs/2748/
Master: https://source.oscartools.org:8080/#/c/6729/

Change-Id: I9f878385b800426e0a50383cff77c4c6cb336f25
ID: 3614847 - Billing Correction screen has mislabelled field
Merge "ID: 3614847 - Billing Correction screen has mislabelled field" into RELEASE_12_1
Merge "#2748 Teleplan Check Eligibility hangs" into RELEASE_12_1
https://sourceforge.net/p/oscarmcmaster/bugs/2727/
ID: 2743 Search window inconsistently hangs when initially opened
https://sourceforge.net/p/oscarmcmaster/bugs/2743/
#2721 - Confusing Message when Regenerating Billing Files Edit
Merge "#2721 - Confusing Message when Regenerating Billing Files Edit " into RELEASE_12_1
Merge "ID: 2743 Search window inconsistently hangs when initially opened https://sourceforge.net/p/oscarmcmaster/bugs/2743/" into RELEASE_12_1