FileManager: fix Plus menu override (#6957)

manage it in FM not in gestures, as  #6918 made the menu tap zone the entire width so the tap is not passed through to the gesture plugin

frontend/apps/filemanager/filemanager.lua

@@ -121,8 +121,7 @@ function FileManager:init()
         padding_left = Size.padding.large,
         padding_right = Size.padding.large,
         padding_bottom = 0,
-        callback = nil, -- top right corner callback handled by gesture manager
-        hold_callback = nil, -- top right corner hold_callback handled by gesture manager
+        callback = function() self:onShowPlusMenu() end,
     }
 
     self.path_text = TextWidget:new{

plugins/gestures.koplugin/defaults.lua

@@ -4,7 +4,7 @@ local Device = require("device")
 return {
     gesture_fm = {
         tap_top_left_corner = nil,
-        tap_top_right_corner = {show_plus_menu = true,},
+        tap_top_right_corner = nil,
         tap_right_bottom_corner = nil,
         tap_left_bottom_corner = Device:hasFrontlight() and {toggle_frontlight = true,} or nil,
         hold_top_left_corner = nil,

plugins/gestures.koplugin/main.lua

@@ -231,7 +231,8 @@ function Gestures:genMenu(ges)
 end
 
 function Gestures:genSubItem(ges, separator, hold_callback)
-    local reader_only = {tap_top_left_corner=true, hold_top_left_corner=true}
+    local reader_only = {tap_top_left_corner=true, hold_top_left_corner=true,
+                         tap_top_right_corner=true,}
     local enabled_func
     if reader_only[ges] then
        enabled_func = function() return self.ges_mode == "gesture_reader" end