Send space instead of enter to finalize unicode with uinput (#1731)

Author: huynhtrankhanh

news.d/bugfix/1731.linux.md

@@ -0,0 +1 @@
+When inputting Unicode with uinput the code now uses space to finalize the Unicode character instead of enter.

plover/oslayer/linux/keyboardcontrol_uinput.py

@@ -307,7 +307,7 @@ def _send_unicode(self, hex):
         self.delay()
         self.send_string(hex)
         self.delay()
-        self._send_char("\n")
+        self._send_char(" ")
 
     def _send_char(self, char):
         (base, mods) = self._get_key(char)