PATCH_7.3.0H1_7.3.0H2

https://code.vtiger.com/vtiger/vtigercrm/commit/1f985e8c97e16e06b1c976e150d47f8a9f2d7d2d
https://code.vtiger.com/vtiger/vtigercrm/commit/22a2da38b458d1ad0ab143b8892b425b06322aa2
https://code.vtiger.com/vtiger/vtigercrm/commit/39c36ac421e1522a495845091b1ee7ea8f7725bc
https://code.vtiger.com/vtiger/vtigercrm/commit/a1288c9b7f6f914bf2bb878a9c1c3df6f11cf33c
https://code.vtiger.com/vtiger/vtigercrm/commit/ebce78b67cbfaed3c3b78b497759d6bf6c887ce7