Fix #516 (#517)

* Fix #516

* Fix

* Fix and tests

* fmt lint

lua/cmp/view/custom_entries_view.lua

@@ -319,13 +319,17 @@ custom_entries_view._insert = setmetatable({
       local release = require('cmp').suspend()
       feedkeys.call('', '', function()
         local cursor = api.get_cursor()
-        feedkeys.call(keymap.backspace(1 + cursor[2] - self.offset) .. word, 'int', vim.schedule_wrap(function()
-          this.pending = false
-          release()
-        end))
+        feedkeys.call(
+          keymap.backspace(1 + cursor[2] - self.offset) .. word,
+          'int',
+          vim.schedule_wrap(function()
+            this.pending = false
+            release()
+          end)
+        )
       end)
     end
-  end
+  end,
 })
 
 return custom_entries_view

lua/cmp/view/ghost_text_view.lua

@@ -66,7 +66,7 @@ ghost_text_view.text_gen = function(self, line, cursor_col)
   if nchars > 0 then
     text = string.sub(word, vim.str_byteindex(word, word_clen - nchars) + 1)
   else
-    text = ""
+    text = ''
   end
   return text
 end