fix(CountersSelector): better window clear strategy

libs/ui/CountersSelector.lua

@@ -206,13 +206,14 @@ local function CountersSelector(initialCountersMap, config)
 
   local topHeight = 1
 
-  term.clear()
+  -- term.clear()
   local width, height = term.getSize()
   local mainHeight = height - topHeight
   local nbOfElemsPerPage = mainHeight
   local mainWin = window.create(term.current(), 1, 1 + topHeight, width, mainHeight)
   local titleWin = window.create(term.current(), 1, 1, width, 1 + topHeight)
 
+  local forceExited = false
   local shouldContinue = true
   while shouldContinue do
     renderTitle(titleWin, countersMap, selectedCounter, titleFn)
@@ -253,10 +254,18 @@ local function CountersSelector(initialCountersMap, config)
       shouldContinue = false
     elseif keyPressed == keys.q then
       os.pullEvent('key_up') -- fix to avoid writing a 'q' in the terminal on exit
-      return nil
+      shouldContinue = false
+      forceExited = true
     end
   end
 
+  mainWin.clear()
+  titleWin.clear()
+
+  if forceExited then
+    return nil
+  end
+
   return countersMap, selectedCounter
 end