support suggest after compile in caas mode

tests/caas/compile-suggest.txt

@@ -0,0 +1,7 @@
+main.nim
+> c
+SuccessX
+> idetools --trackDirty:main_dirty.nim,main.nim,12,7 --suggest main.nim
+skField\tx
+skField\ty
+

tests/caas/main_dirty.nim

@@ -0,0 +1,14 @@
+import imported, strutils
+
+type
+  TFoo = object
+    x: int
+    y: string
+
+proc main =
+  var t1 = "text"
+  var t2 = t1.toUpper
+  var foo = TFoo(x: 10, y: "test")
+  foo.
+  echo(t1 +++ t2)
+

tests/caas/suggest-compile.txt

@@ -0,0 +1,7 @@
+main.nim
+> idetools --trackDirty:main_dirty.nim,main.nim,12,7 --suggest main.nim
+skField\tx
+skField\ty
+> c
+SuccessX
+