Fixed issue #2031 - Column width is resized to a non readable minimum.

app/assets/javascripts/app/controllers/_application_controller_table.coffee

@@ -168,6 +168,8 @@ class App.ControllerTable extends App.Controller
         @headerWidth[key] = value
 
     @availableWidth = @el.width()
+    if @availableWidth is 0
+      @availableWidth = @minTableWidth
 
     @renderQueue()
 
@@ -820,9 +822,6 @@ class App.ControllerTable extends App.Controller
   calculateHeaderWidths: ->
     return if !@headers
 
-    if @availableWidth is 0
-      @availableWidth = @minTableWidth
-
     availableWidth = @availableWidth
 
     widths = @getHeaderWidths()

app/assets/javascripts/app/controllers/ticket_overview.coffee

@@ -1139,7 +1139,7 @@ class Table extends App.Controller
         attribute.title  = object.iconTitle()
         value
 
-      @table = new App.ControllerTable(
+      tableArguments =
         tableId:        "ticket_overview_#{@overview.id}"
         overview:       @overview.view.s
         el:             @$('.table-overview')
@@ -1176,7 +1176,14 @@ class Table extends App.Controller
           events:
             'click': callbackCheckbox
           select_all: callbackCheckbox
-      )
+
+      # remember elWidth even if table is not shown but rerendered
+      if @el.width() != 0
+        @elWidth = @el.width()
+      if @elWidth
+        tableArguments.minTableWidth = @elWidth
+
+      @table = new App.ControllerTable(tableArguments)
 
     @renderPopovers()