Autocompletion for labeled arguments does not recognize inline comments.

See #250

Author: cristianoc

analysis/tests/src/Completion.res

@@ -64,3 +64,7 @@ let zzz = 11
 //^com let x = Lib.foo(~age, ~
 
 //^com let x = Lib.foo(~age={3+4}, ~
+
+let _ = Lib.foo(//~age,
+//^com ~
+~age=3, ~name="")

analysis/tests/src/expected/Completion.res.txt

@@ -583,3 +583,18 @@ Complete tests/src/Completion.res 64:2
     "documentation": null
   }]
 
+Complete tests/src/Completion.res 67:2
+[{
+    "label": "age",
+    "kind": 4,
+    "tags": [],
+    "detail": "int",
+    "documentation": null
+  }, {
+    "label": "name",
+    "kind": 4,
+    "tags": [],
+    "detail": "string",
+    "documentation": null
+  }]
+