message: Add Command Palette to menu; clean up context menu
diff: {
  "command": "extraterm:application.openCommandPalette",
  "title": "Command Palette",
  - "category": "window",
  + "category": "terminal",
  "icon": "fa-toolbox",
  "when": "",
  - "order": 900
  + "order": 1900
  },
  {
  "command": "extraterm:application.newWindow",
  ],
  "menus": {
  "contextMenu": [
  - {
  - "command": "extraterm:application.openCommandPalette",
  - "show": true
  - },
  {
  "command": "extraterm:terminal.goToPreviousFrame",
  "show": true
  {
  "command": "extraterm:terminal.resetFontSize",
  "show": true
  - },
  - {
  - "command": "extraterm:terminal.clearScrollback",
  - "show": true
  - },
  - {
  - "command": "extraterm:terminal.resetVT",
  - "show": true
  }
  ],
  "commandPalette": [
  "command": "extraterm:window.newTerminal",
  "show": true
  },
  + {
  + "command": "extraterm:application.openCommandPalette",
  + "show": true
  + },
  {
  "command": "extraterm:window.openSettings",
  "show": true
  