only refresh view when the server URL changes (MM-34565) (#2082) (#2094)

* only refresh view when the server URL changes (MM-34565)

Create views of current and incoming tabs indexed
by unique [URL, TABTYPE] tuples, and diffing them.
Tuples that are identical are recycled, merely
porting the new server name over.

* lint fixes

* WIP

* linting

* remove dependency on by, duad

* provide a more exaplanatory name for TabView.prototype.tuple (urlTypeTuple)

* minor improvements in viewManager

- remove stateful behaviour from makeView
- more descriptive variable names when looping
- create new arrays before sorting (sort is in-place by default)

* resolve linting errors

package.json

@@ -9,7 +9,7 @@
   "desktopName": "Mattermost.Desktop",
   "homepage": "https://mattermost.com",
   "engines": {
-    "node": ">=4.2.0"
+    "node": ">=14.6.0"
   },
   "repository": {
     "type": "git",
@@ -115,6 +115,7 @@
     "@babel/preset-env": "7.16.11",
     "@babel/preset-react": "7.16.7",
     "@babel/register": "7.17.7",
+    "@bloomberg/record-tuple-polyfill": "^0.0.4",
     "@electron/fuses": "1.5.0",
     "@electron/universal": "1.2.1",
     "@storybook/addon-actions": "6.4.20",