add: updated fixture

Author: sonnyvesali

data/fixtures/scopes/dart/ifStatement.scope

@@ -1,5 +1,19 @@
 foo() {
-  if(true) { }
+  if (true) { }
 }
 ---
 
+[Content] =
+[Domain] = 1:2-1:15
+    >-------------<
+1|   if (true) { }
+
+[Removal] = 1:0-1:15
+  >---------------<
+1|   if (true) { }
+
+[Leading delimiter] = 1:0-1:2
+  >--<
+1|   if (true) { }
+
+[Insertion delimiter] = "\n"