refactor(dashboard): Move DocTypes to Desk module

- Rename Chart to Dashboard Chart

frappe/desk/doctype/dashboard/dashboard.json

@@ -65,7 +65,7 @@
    "label": "Charts",
    "length": 0,
    "no_copy": 0,
-   "options": "Chart",
+   "options": "Dashboard Chart",
    "permlevel": 0,
    "precision": "",
    "print_hide": 0,
@@ -90,9 +90,9 @@
  "issingle": 0,
  "istable": 0,
  "max_attachments": 0,
- "modified": "2019-01-15 12:06:10.126944",
+ "modified": "2019-01-16 13:35:14.516114",
  "modified_by": "Administrator",
- "module": "Core",
+ "module": "Desk",
  "name": "Dashboard",
  "name_case": "",
  "owner": "Administrator",

frappe/desk/doctype/dashboard_chart/dashboard_chart.js

@@ -1,7 +1,7 @@
 // Copyright (c) 2019, Frappe Technologies and contributors
 // For license information, please see license.txt
 
-frappe.ui.form.on('Chart', {
+frappe.ui.form.on('Dashboard Chart', {
 	refresh: function(frm) {
 
 	}

frappe/desk/doctype/dashboard_chart/dashboard_chart.json

@@ -186,10 +186,10 @@
  "issingle": 0,
  "istable": 0,
  "max_attachments": 0,
- "modified": "2019-01-15 14:46:06.870884",
+ "modified": "2019-01-16 13:34:58.802451",
  "modified_by": "Administrator",
- "module": "Core",
- "name": "Chart",
+ "module": "Desk",
+ "name": "Dashboard Chart",
  "name_case": "",
  "owner": "Administrator",
  "permissions": [

frappe/desk/doctype/dashboard_chart/dashboard_chart.py

@@ -6,5 +6,5 @@ from __future__ import unicode_literals
 import frappe
 from frappe.model.document import Document
 
-class Chart(Document):
+class DashboardChart(Document):
 	pass

frappe/desk/doctype/dashboard_chart/test_dashboard_chart.py

@@ -6,5 +6,5 @@ from __future__ import unicode_literals
 import frappe
 import unittest
 
-class TestChart(unittest.TestCase):
+class TestDashboardChart(unittest.TestCase):
 	pass