Refactor translation files

- Add prefixes to all message keys to provide context
- Use messages with attributes for some UI elements (dropdowns, dialogs, checkboxes, menus)
- Rename some class fields for consistency with translation keys

mods/ts/mod.yaml

@@ -290,27 +290,27 @@ GameSpeeds:
 	DefaultSpeed: default
 	Speeds:
 		slowest:
-			Name: slowest
+			Name: options-game-speed.slowest
 			Timestep: 80
 			OrderLatency: 2
 		slower:
-			Name: slower
+			Name: options-game-speed.slower
 			Timestep: 50
 			OrderLatency: 3
 		default:
-			Name: normal
+			Name: options-game-speed.normal
 			Timestep: 40
 			OrderLatency: 3
 		fast:
-			Name: fast
+			Name: options-game-speed.fast
 			Timestep: 35
 			OrderLatency: 4
 		faster:
-			Name: faster
+			Name: options-game-speed.faster
 			Timestep: 30
 			OrderLatency: 4
 		fastest:
-			Name: fastest
+			Name: options-game-speed.fastest
 			Timestep: 20
 			OrderLatency: 6