[MM-14093] Rename 'team' to 'server' and 'tab' to 'view' in most cases, some additional cleanup (#2711)

* Rename MattermostTeam -> UniqueServer, MattermostTab -> UniqueView

* Rename 'team' to 'server'

* Some further cleanup

* Rename weirdly named function

* Rename 'tab' to 'view' in most instances

* Fix i18n

* PR feedback

src/common/servers/MattermostServer.ts

@@ -3,7 +3,7 @@
 
 import {v4 as uuid} from 'uuid';
 
-import {MattermostTeam, Team} from 'types/config';
+import {UniqueServer, Server} from 'types/config';
 
 import {parseURL} from 'common/utils/url';
 
@@ -13,7 +13,7 @@ export class MattermostServer {
     url!: URL;
     isPredefined: boolean;
 
-    constructor(server: Team, isPredefined: boolean) {
+    constructor(server: Server, isPredefined: boolean) {
         this.id = uuid();
 
         this.name = server.name;
@@ -29,7 +29,7 @@ export class MattermostServer {
         }
     }
 
-    toMattermostTeam = (): MattermostTeam => {
+    toUniqueServer = (): UniqueServer => {
         return {
             name: this.name,
             url: this.url.toString(),