Small clean up of auto detect asset

data/assets/util/joysticks/any-joystick.asset

@@ -10,11 +10,21 @@ local function numItems(iTable)
 end
 
 asset.onInitialize(function()
-  local joysticks = openspace.navigation.listAllJoysticks()
-  local numJoysticks = numItems(joysticks)
+  local rawJoysticks = openspace.navigation.listAllJoysticks()
+  local numJoysticks = numItems(rawJoysticks)
   local joystick = ""
 
-  -- Is any connected?
+  -- Remove the SpaceMouse emulator if it exists
+  local joysticks = {}
+  for _, joyStickName in ipairs(rawJoysticks) do
+    if joyStickName == "3Dconnexion KMJ Emulator" then
+      numJoysticks = numJoysticks - 1
+    else
+      table.insert(joysticks, joyStickName)
+    end
+  end
+
+  -- Is any joysticks connected?
   if numJoysticks == 0 then
     openspace.printWarning("Could not find any connected joysticks")
     return
@@ -23,25 +33,9 @@ asset.onInitialize(function()
   -- when only one joystick is connected
   if numJoysticks == 1 then
     local joyStickName = joysticks[1]
-    if joyStickName ~= "3Dconnexion KMJ Emulator" then -- Skip the SpaceMouse emulator
+    if joyStickName ~= nil then
       joystick = joyStickName
     end
-  -- When two joystics are connected, make sure the second one is not the SpaceMouse emulator
-  -- If so then it is essentially only one connected
-  elseif numJoysticks == 2 then
-    local onlyOne = false
-    for _, joyStickName in ipairs(joysticks) do
-      if joyStickName == "3Dconnexion KMJ Emulator" then -- Skip the SpaceMouse emulator
-        onlyOne = true
-      else
-        joystick = joyStickName
-      end
-    end
-
-    if onlyOne == false then
-      openspace.printWarning("Cannot auto detect and add several joysticks")
-      return
-    end
   else
     openspace.printWarning("Cannot auto detect and add several joysticks")
     return