feat: improve copy paste plugins, and support in-app copy-paste

[LucasXu0]

Feature Preview

• Support in-app copying and pasting.
• Support copying the local image.
• Improve the paste functionality for HTML.
• Improve the paste functionality for plain text.

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PR Checklist

• My code adheres to the AppFlowy Style Guide
• I've listed at least one issue that this PR fixes in the description above.
• I've added a test(s) to validate changes in this PR, or this PR only contains semantic changes.
• All existing tests are passing.

[codecov]

Codecov Report

Merging #3233 (e610938) into main (3015592) will decrease coverage by 0.21%.
The diff coverage is 56.42%.

@@            Coverage Diff             @@
##             main    #3233      +/-   ##
==========================================
- Coverage   69.31%   69.10%   -0.21%     
==========================================
  Files         453      461       +8     
  Lines       21287    21505     +218     
==========================================
+ Hits        14755    14862     +107     
- Misses       6532     6643     +111     

Flag	Coverage Δ
appflowy_flutter_integrateion_test	66.90% <56.42%> (-0.20%)	⬇️
appflowy_flutter_unit_test	12.72% <0.45%> (-0.12%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...lib/plugins/document/presentation/editor_page.dart	95.88% <ø> (ø)
...plugins/copy_and_paste/paste_from_in_app_json.dart	0.00% <0.00%> (ø)
...or_plugins/copy_and_paste/custom_copy_command.dart	21.42% <21.42%> (ø)
...y_and_paste/editor_state_paste_node_extension.dart	31.57% <31.57%> (ø)
...itor_plugins/copy_and_paste/clipboard_service.dart	70.37% <70.37%> (ø)
...editor_plugins/copy_and_paste/paste_from_html.dart	80.00% <80.00%> (ø)
...r_plugins/copy_and_paste/custom_paste_command.dart	86.95% <86.95%> (ø)
..._plugins/copy_and_paste/paste_from_plain_text.dart	88.88% <88.88%> (ø)
...ditor_plugins/copy_and_paste/paste_from_image.dart	92.30% <92.30%> (ø)
...nd/appflowy_flutter/lib/startup/deps_resolver.dart	72.72% <100.00%> (+0.72%)	⬆️

... and 7 files with indirect coverage changes