FileChooser: collates: smooth percentage to 2 decimal points for sorting for all percent collates

re #11592

frontend/ui/widget/filechooser.lua

@@ -158,7 +158,7 @@ local FileChooser = Menu:extend{
                 return function(a, b)
                     if a.opened == b.opened then
                         if a.opened then
-                            return a.percent_finished < b.percent_finished
+                            return a.sort_percent < b.sort_percent
                         end
                         return ffiUtil.strcoll(a.text, b.text)
                     end
@@ -172,7 +172,11 @@ local FileChooser = Menu:extend{
                     local doc_settings = DocSettings:open(item.path)
                     percent_finished = doc_settings:readSetting("percent_finished")
                 end
-                item.percent_finished = percent_finished or 0
+
+                percent_finished = percent_finished or 0
+                -- smooth 2 decimal points (0.00) instead of 16 decimal points
+                item.sort_percent = util.round_decimal(percent_finished, 2)
+                item.percent_finished = percent_finished
             end,
             mandatory_func = function(item)
                 return item.opened and string.format("%d %%", 100 * item.percent_finished) or "–"
@@ -186,7 +190,7 @@ local FileChooser = Menu:extend{
                 return function(a, b)
                     if a.opened == b.opened then
                         if a.opened then
-                            return a.percent_finished < b.percent_finished
+                            return a.sort_percent < b.sort_percent
                         end
                         return ffiUtil.strcoll(a.text, b.text)
                     end
@@ -200,7 +204,11 @@ local FileChooser = Menu:extend{
                     local doc_settings = DocSettings:open(item.path)
                     percent_finished = doc_settings:readSetting("percent_finished")
                 end
-                item.percent_finished = percent_finished or 0
+
+                percent_finished = percent_finished or 0
+                -- smooth 2 decimal points (0.00) instead of 16 decimal points
+                item.sort_percent = util.round_decimal(percent_finished, 2)
+                item.percent_finished = percent_finished
             end,
             mandatory_func = function(item)
                 return item.opened and string.format("%d %%", 100 * item.percent_finished) or "–"
@@ -245,7 +253,7 @@ local FileChooser = Menu:extend{
 
                     percent_finished = doc_settings:readSetting("percent_finished")
                 end
-                -- smooth 2 decimal points (0.00) instead of 16 decimal numbers
+                -- smooth 2 decimal points (0.00) instead of 16 decimal points
                 item.sort_percent = sort_percent or util.round_decimal(percent_finished or -1, 2)
                 item.percent_finished = percent_finished or 0
             end,