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_visual_paste.json

@@ -0,0 +1,26 @@
+{"Put":{"state":"The quick brown\nfox jˇumps over\nthe lazy dog"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"w"}
+{"Key":"y"}
+{"Get":{"state":"The quick brown\nfox ˇjumps over\nthe lazy dog","mode":"Normal"}}
+{"Key":"p"}
+{"Get":{"state":"The quick brown\nfox jjumpˇsumps over\nthe lazy dog","mode":"Normal"}}
+{"Put":{"state":"The quick brown\nfox juˇmps over\nthe lazy dog"}}
+{"Key":"shift-v"}
+{"Key":"d"}
+{"Get":{"state":"The quick brown\nthe laˇzy dog","mode":"Normal"}}
+{"Key":"v"}
+{"Key":"i"}
+{"Key":"w"}
+{"Key":"p"}
+{"Get":{"state":"The quick brown\nthe \nˇfox jumps over\n dog","mode":"Normal"}}
+{"ReadRegister":{"name":"\"","value":"lazy"}}
+{"Put":{"state":"The quick brown\nfox juˇmps over\nthe lazy dog"}}
+{"Key":"shift-v"}
+{"Key":"d"}
+{"Get":{"state":"The quick brown\nthe laˇzy dog","mode":"Normal"}}
+{"Key":"k"}
+{"Key":"shift-v"}
+{"Key":"p"}
+{"Get":{"state":"ˇfox jumps over\nthe lazy dog","mode":"Normal"}}