Rewrite paste

- vim: support P for paste before
- vim: support P in visual mode for paste without overriding clipboard
- vim: fix position when using `p` on text copied outside zed
- vim: fix indentation when using `p` on text copied from zed

crates/vim/test_data/test_paste_visual_block.json

@@ -0,0 +1,31 @@
+{"Put":{"state":"The ˇquick brown\nfox jumps over\nthe lazy dog"}}
+{"Key":"ctrl-v"}
+{"Key":"2"}
+{"Key":"j"}
+{"Key":"y"}
+{"ReadRegister":{"name":"\"","value":"q\nj\nl"}}
+{"Key":"p"}
+{"Get":{"state":"The qˇquick brown\nfox jjumps over\nthe llazy dog","mode":"Normal"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"w"}
+{"Key":"shift-p"}
+{"Get":{"state":"The ˇq brown\nfox jjjumps over\nthe lllazy dog","mode":"Normal"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"w"}
+{"Key":"shift-p"}
+{"Put":{"state":"The ˇquick brown\nfox jumps over\nthe lazy dog"}}
+{"Key":"ctrl-v"}
+{"Key":"j"}
+{"Key":"y"}
+{"ReadRegister":{"name":"\"","value":"q\nj"}}
+{"Key":"l"}
+{"Key":"ctrl-v"}
+{"Key":"2"}
+{"Key":"j"}
+{"Key":"shift-p"}
+{"Get":{"state":"The qˇqick brown\nfox jjmps over\nthe lzy dog","mode":"Normal"}}
+{"Key":"shift-v"}
+{"Key":"p"}
+{"Get":{"state":"ˇq\nj\nfox jjmps over\nthe lzy dog","mode":"Normal"}}