rev roundend shows converted count (#21854)

* add ConvertedCount field to role

* make objectives roundend title logic reusable

* change rev system + use GetTitle

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Resources/Locale/en-US/game-ticking/game-presets/preset-revolutionary.ftl

@@ -14,14 +14,6 @@ head-rev-briefing =
     Use flashes to convert people to your cause.
     Kill all heads to take over the station.
 
-head-rev-initial-name = [color=#5e9cff]{$name}[/color] was one of the Head Revolutionaries.
-head-rev-initial-name-user = [color=#5e9cff]{$name}[/color] ([color=gray]{$username}[/color]) was one of the Head Revolutionaries.
-
-head-rev-initial-count = {$initialCount ->
-    [one] There was one Head Revolutionary:
-    *[other] There were {$initialCount} Head Revolutionaries:
-}
-
 head-rev-break-mindshield = The Mindshield was destroyed!
 
 ## Rev
@@ -58,4 +50,12 @@ rev-stalemate = All of the Head Revs and Command died. It's a draw.
 
 rev-reverse-stalemate = Both Command and Head Revs survived.
 
+rev-headrev-count = {$initialCount ->
+    [one] There was one Head Revolutionary:
+    *[other] There were {$initialCount} Head Revolutionaries:
+}
 
+rev-headrev-player = {$title} converted {$count} {$count ->
+    [one] person
+    *[other] people
+}.