IC navigator: added support for include files (#17784)

* ic fixed navigator crash when track wrong/missed

Also fixed an issue with getNimcacheDir not observing the outDir.

* closer, but not sure how to test[skip ci][ci skip]

* IC navigator: added support for include files

* update

* make posix happy via expandFilename

* update

Co-authored-by: Saem Ghani <saemghani+github@gmail.com>

tests/navigator/minclude.nim

@@ -0,0 +1,2 @@
+# An include file.
+foo(3)

tests/navigator/tincludefile.nim

@@ -0,0 +1,29 @@
+discard """
+  cmd: "nim check $options --defusages:$file,12,7 $file"
+  nimout: '''def tincludefile_temp.nim(11, 10)
+usage tincludefile_temp.nim(12, 8)
+  '''
+"""
+
+
+
+
+proc foo(x: int) =
+  echo x
+
+foo(3)
+echo "yes", 1 != 3
+
+#!EDIT!#
+discard """
+  cmd: "nim check $options --defusages:$file/../minclude.nim,2,2 $file"
+  nimout: '''def tincludefile_temp.nim(10, 6)
+usage minclude.nim(2, 1)
+  '''
+"""
+
+
+proc foo(x: int) =
+  echo x
+
+include minclude

tests/navigator/tnav1.nim

@@ -1,5 +1,5 @@
 discard """
-  cmd: "nim check $options --track:$file,12,7 $file"
+  cmd: "nim check $options --defusages:$file,12,7 $file"
   nimout: '''def tnav1_temp.nim(11, 10)
 usage tnav1_temp.nim(12, 8)
   '''
@@ -16,7 +16,7 @@ echo "yes", 1 != 3
 
 #!EDIT!#
 discard """
-  cmd: "nim check $options --track:$file,15,2 $file"
+  cmd: "nim check $options --defusages:$file,15,2 $file"
   nimout: '''def tnav1_temp.nim(12, 6)
 usage tnav1_temp.nim(15, 1)
   '''