fix scratchpad closeing issue (#63)

* Add an option to disable client floating state when closing the scratchpad

* Fix an issue where a scratchpad can't be toggled with dont_focus_before_close unless doing so from the first tag

module/scratchpad.lua

@@ -163,10 +163,18 @@ end
 --- Turns the scratchpad off if it is focused otherwise it raises the scratchpad
 function Scratchpad:toggle()
     local is_turn_off = false
-    if self.dont_focus_before_close then
     local matches = self:find()
-        if matches[1] and matches[1].first_tag then
-            is_turn_off = matches[1].first_tag.selected
+    if self.dont_focus_before_close then
+        if matches[1] then
+            local current_tag = matches[1].screen.selected_tag
+            for k, tag in pairs(matches[1]:tags()) do
+                if tag == current_tag then
+                    is_turn_off = true
+                    break
+                else
+                    is_turn_off = false
+                end
+            end
         end
     else
         is_turn_off = client.focus and
@@ -174,6 +182,9 @@ function Scratchpad:toggle()
     end
 
     if is_turn_off then
+        if self.disable_floating_on_close and matches[1].floating == true then
+            matches[1].floating = false
+        end
         self:turn_off()
     else
         self:turn_on()