feat: multi selection. Only integrates with send_selected_to_qflist (#551)

This will not yet work with select actions. More work is needed in that case.

Co-authored-by: Simon Hauser <Simon-Hauser@outlook.de>

lua/tests/automated/pickers/scrolling_spec.lua

@@ -2,6 +2,9 @@ require('plenary.reload').reload_module('telescope')
 
 local tester = require('telescope.pickers._test')
 
+local log = require('telescope.log')
+log.use_console = false
+
 describe('scrolling strategies', function()
   it('should handle cycling for full list', function()
     tester.run_file [[find_files__scrolling_descending_cycle]]

lua/tests/automated/scroller_spec.lua

@@ -1,5 +1,8 @@
 local p_scroller = require('telescope.pickers.scroller')
 
+local log = require('telescope.log')
+log.use_console = false
+
 local eq = assert.are.same
 
 describe('scroller', function()