fix(evil): tab ex commands

`:tablast` was calling +workspace/switch-to-last, which was renamed to
+workspace/switch-to-final back in bc6c4b3.
Also added a Vim-style `:tabfirst` counterpart.

Fix: bc6c4b3
Amend: d4d78b2

modules/editor/evil/+commands.el

@@ -71,7 +71,8 @@
 (evil-ex-define-cmd "ss[ave]"     #'doom/quicksave-session)
 (evil-ex-define-cmd "tabc[lose]"  #'+workspace:delete)
 (evil-ex-define-cmd "tabclear"    #'doom/kill-all-buffers)
-(evil-ex-define-cmd "tabl[ast]"   #'+workspace/switch-to-last)
+(evil-ex-define-cmd "tabf[irst]"  #'+workspace/switch-to-0)
+(evil-ex-define-cmd "tabl[ast]"   #'+workspace/switch-to-final)
 (evil-ex-define-cmd "tabload"     #'+workspace:load)
 (evil-ex-define-cmd "tabn[ew]"    #'+workspace:new)
 (evil-ex-define-cmd "tabnext"     #'+workspace:switch-next)

modules/editor/evil/README.org

@@ -148,7 +148,8 @@ And these are text objects added by this module:
 | ~:ss[ave]~               | ([[doom-module::ui workspaces]]) Save the current session                              |
 | ~:tabc[lose]~            | ([[doom-module::ui workspaces]]) Close the current workspace                           |
 | ~:tabclear~              | ([[doom-module::ui workspaces]]) Kill all buffers in current workspace                 |
-| ~:tabl[ast]~             | ([[doom-module::ui workspaces]]) Switch to last focused workspace                      |
+| ~:tabf[irst]~            | ([[doom-module::ui workspaces]]) Switch to the first workspace                         |
+| ~:tabl[ast]~             | ([[doom-module::ui workspaces]]) Switch to the last workspace                          |
 | ~:tabload [NAME]~        | ([[doom-module::ui workspaces]]) Load a workspace from file                            |
 | ~:tabn[ew][!]~ [NAME]    | ([[doom-module::ui workspaces]]) Create a new workspace                                |
 | ~:tabnext~               | ([[doom-module::ui workspaces]]) Switch to next workspace                              |