MOBILE-2178 attachments: Fix existing attachments not shown
MOBILE-2178 attachments: Fix existing attachments not shown

arahimahmad/moodlemobile2,chester666/moodlemobile,sulzer/moodlemobile2,chester666/moodlemobile,dpaloucva/moodlemobile2,arahimahmad/moodlemobile2,bmmg888/moodlemobile2,bmmg888/moodlemobile2,knurmi/MoodleTest,sulzer/moodlemobile2,arahimahmad/moodlemobile2,knurmi/MoodleTest,bmmg888/moodlemobile2,chester666/moodlemobile,bmmg888/moodlemobile2,sulzer/moodlemobile2,dpaloucva/moodlemobile2