vim: gq (#18156)

Closes #ISSUE

Release Notes:

- vim: Added gq/gw for rewrapping lines

crates/vim/test_data/test_gq.json

@@ -0,0 +1,12 @@
+{"SetOption":{"value":"textwidth=5"}}
+{"Put":{"state":"ˇth th th th th th\n"}}
+{"Key":"g"}
+{"Key":"q"}
+{"Key":"q"}
+{"Get":{"state":"th th\nth th\nˇth th\n","mode":"Normal"}}
+{"Put":{"state":"ˇth th th th th th\nth th th th th th\n"}}
+{"Key":"v"}
+{"Key":"j"}
+{"Key":"g"}
+{"Key":"q"}
+{"Get":{"state":"th th\nth th\nth th\nth th\nth th\nˇth th\n","mode":"Normal"}}