[UX] Notification are displayed too short (#3962)

Changed from 1 second to 2.

I also fixed the problem with blocking the UI when displaying the message. Now notification box is closed after taping anywhere (like InfoMessage).

frontend/apps/reader/modules/readerfont.lua

@@ -219,7 +219,7 @@ function ReaderFont:onSetFontSize(new_size)
     self.ui:handleEvent(Event:new("UpdatePos"))
     UIManager:show(Notification:new{
         text = T( _("Font size set to %1."), self.font_size),
-        timeout = 1,
+        timeout = 2,
     })
 
     return true
@@ -229,7 +229,7 @@ function ReaderFont:onSetLineSpace(space)
     self.line_space_percent = math.min(200, math.max(80, space))
     UIManager:show(Notification:new{
         text = T( _("Line spacing set to %1%."), self.line_space_percent),
-        timeout = 1,
+        timeout = 2,
     })
     self.ui.document:setInterlineSpacePercent(self.line_space_percent)
     self.ui:handleEvent(Event:new("UpdatePos"))
@@ -256,7 +256,7 @@ function ReaderFont:onSetFontGamma(gamma)
     local gamma_level = self.ui.document:getGammaLevel()
     UIManager:show(Notification:new{
         text = T( _("Font gamma set to %1."), gamma_level),
-        timeout = 1
+        timeout = 2,
     })
     self.ui:handleEvent(Event:new("RedrawCurrentView"))
     return true
@@ -277,7 +277,7 @@ function ReaderFont:setFont(face)
         self.font_face = face
         UIManager:show(Notification:new{
             text = T( _("Redrawing with font %1."), face),
-            timeout = 1,
+            timeout = 2,
         })
 
         self.ui.document:setFontFace(face)