Remove assigned and load indicator

app/modules/epics/dashboard/epic-row/epic-row.controller.coffee

@@ -72,8 +72,11 @@ class EpicRowController
                 @.loadingStatus = false
 
     updateAssignedTo: (member) ->
-        return @epicsService.updateEpicAssignedTo(@.epic, member?.id)
+        @.assignLoader = true
+        return @epicsService.updateEpicAssignedTo(@.epic, member?.id or null)
             .catch () =>
                 @confirm.notify('error')
+            .then () =>
+                @.assignLoader = false
 
 angular.module("taigaEpics").controller("EpicRowCtrl", EpicRowController)

app/modules/epics/dashboard/epic-row/epic-row.directive.coffee

@@ -25,7 +25,7 @@ EpicRowDirective = () ->
         bindToController: true,
         scope: {
             epic: '=',
-            column: '=',
+            column: '='
         }
     }
 

app/modules/epics/dashboard/epic-row/epic-row.jade

@@ -32,11 +32,14 @@
 
     .sprint(ng-if="vm.column.sprint")
 
-    .assigned.e2e-assigned-tio(ng-if="vm.column.assigned")
+    .assigned.e2e-assigned-to(
+        ng-if="vm.column.assigned"
+        tg-loading="vm.assignLoader"
+    )
         tg-assigned-to-component(
             assigned-to="vm.epic.get('assigned_to_extra_info')"
             project="vm.project"
-            on-remove-assigned="vm.updateAssignedTo(null)"
+            on-remove-assigned="vm.updateAssignedTo()"
             on-assign-to="vm.updateAssignedTo(member)"
             tg-isolate-click
         )