[MM-36432][MM-37072][MM-37073] Logic to support Focalboard and Playbooks tabs (#1680)

* Tab stuff

* Inter-tab navigation

* Close tab functionality

* [MM-36342][MM-37072] Logic to support Focalboard and Playbooks tabs

* Update to version 5.0

* Update config.yml

* Updated routes

* Update names for products

* [MM-37073] Close unneeded tabs when not using v6.0

* Merge'd

* Update config.yml

* Update config.yml

* Fix menu names

* PR feedback

* blank

* blank

* blank

* PR feedback

* Update config.yml

* PR feedback

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

src/common/tabs/TabView.ts

@@ -29,14 +29,17 @@ export function getDefaultTeamWithTabsFromTeam(team: Team) {
             {
                 name: TAB_MESSAGING,
                 order: 0,
+                isClosed: false,
             },
             {
                 name: TAB_FOCALBOARD,
                 order: 1,
+                isClosed: false,
             },
             {
                 name: TAB_PLAYBOOKS,
                 order: 2,
+                isClosed: false,
             },
         ],
     };
@@ -59,3 +62,21 @@ export function getServerView(srv: MattermostServer, tab: Tab) {
 export function getTabViewName(serverName: string, tabType: string) {
     return `${serverName}___${tabType}`;
 }
+
+export function getTabDisplayName(tabType: TabType) {
+    switch (tabType) {
+    case TAB_MESSAGING:
+        return 'Channels';
+    case TAB_FOCALBOARD:
+        return 'Boards';
+    case TAB_PLAYBOOKS:
+        return 'Playbooks';
+    default:
+        throw new Error('Not implemeneted');
+    }
+}
+
+export function canCloseTab(tabType: TabType) {
+    // TODO: maybe rework to make the property belong to the class somehow
+    return tabType !== TAB_MESSAGING;
+}