[Bug] An error occurs when applying divider markdown.

[voisbe]

Bug Description

1. An error occurs when applying divider markdown.
   *** normally draws the divider well.
   --- gives the following error.

[VERBOSE-2:dart_vm_initializer.cc(41)] Unhandled Exception: FormatException
#0 _extension#8.shift (package:appflowy_editor/src/editor/editor_component/service/ime/delta_input_service.dart:311:7)
#1 _extension#8.<< (package:appflowy_editor/src/editor/editor_component/service/ime/delta_input_service.dart:308:42)
#2 _extension#2.format (package:appflowy_editor/src/editor/editor_component/service/ime/delta_input_service.dart:252:26)
#3 _extension#1.format (package:appflowy_editor/src/editor/editor_component/service/ime/delta_input_service.dart:238:50)
#4 DeltaTextInputService.apply. (package:appflowy_editor/src/editor/editor_component/service/ime/delta_input_service.dart:68:49)
#5 MappedListIterable.elementAt (dart:_internal/iterable.dart:415:31)
#6 ListIterator.moveNext (dart:_internal/iterable.dart:344:26)
#7 new _GrowableList._ofEfficientLengthIterable (dart:core-patch/growable_array.dart:189:27)
#8 new _GrowableList.of (dart:core-patch/g<…>

2. Quotes also do not apply. There is no error and it is expressed exactly as typed.
   ex) " something => " something

How to Reproduce

Just type --- or " in the appflowy editor.

Expected Behavior

1. --- A separator line should be drawn when typing.
2. " + Space should draw quotes.

Operating System

iOS

AppFlowy Editor Version(s)

1.0.4

Screenshots

Additional Context

No response