Sorting of items when copying/moving

When copying or moving items, sort the item list. This makes it easier
for the user to find the proper item.

Also, use some more useful dialog titles for the move/copy dialogs.
28 jobs for 470-copy-and-move-between-lists-proper-sorting-of-destination-list-needed in 33 minutes and 36 seconds (queued for 5 seconds)
Status Name Job ID Coverage
  Build
passed android_aab #1602119406

00:28:44

passed android_arm64_v8a #1602119402

00:10:29

passed android_armv7 #1602119400

00:10:27

passed android_x64 #1602119405

00:10:54

passed android_x86 #1602119403

00:10:24

passed appimage #1602119391

00:11:45

passed archlinux-pkgbuild #1602119411

00:08:52

passed clang-format #1602119388

00:01:50

passed cppcheck #1602119387

00:01:30

passed cpplint #1602119389

00:01:44

passed export-sources #1602119390

00:02:56

passed fedora-cmake #1602119392

00:12:22

passed fedora-cmake-system-libs #1602119393

00:13:41

passed flatpak #1602119408

00:14:19

passed ios #1602119399
macos

00:19:22

passed macos #1602119397
macos

00:14:11

passed snap::build #1602119410

00:19:15

passed win32 #1602119394

00:08:46

passed win64 #1602119395

00:08:54

 
  Installer
passed aur_release_check #1602119417

00:01:37

passed sign::android_aab #1602119412
OpenTodoListPrivate

00:02:30

passed sign::android_arm64_v8a #1602119413
OpenTodoListPrivate

00:00:56

passed sign::android_armv7 #1602119414
OpenTodoListPrivate

00:00:52

passed sign::android_x64 #1602119415
OpenTodoListPrivate

00:00:59

passed sign::android_x86 #1602119416
OpenTodoListPrivate

00:01:00

 
  Deploy
manual appstore #1602119419
macos allowed to fail manual
manual aur_release #1602119421
allowed to fail manual
passed snap::edge #1602119422

00:04:08