Core/Misc: fixed a couple warnings reported by file analysis

src/server/game/World/World.h

@@ -74,7 +74,7 @@ enum ShutdownExitCode : uint32
 };
 
 /// Timers for different object refresh rates
-enum WorldTimers
+enum WorldTimers : uint8
 {
     WUPDATE_AUCTIONS,
     WUPDATE_AUCTIONS_PENDING,
@@ -94,7 +94,7 @@ enum WorldTimers
 };
 
 /// Configuration elements
-enum WorldBoolConfigs
+enum WorldBoolConfigs : uint8
 {
     CONFIG_DURABILITY_LOSS_IN_PVP = 0,
     CONFIG_ADDON_CHANNEL,
@@ -188,7 +188,7 @@ enum WorldBoolConfigs
     BOOL_CONFIG_VALUE_COUNT
 };
 
-enum WorldFloatConfigs
+enum WorldFloatConfigs : uint8
 {
     CONFIG_GROUP_XP_DISTANCE = 0,
     CONFIG_MAX_RECRUIT_A_FRIEND_DISTANCE,
@@ -213,7 +213,7 @@ enum WorldFloatConfigs
     FLOAT_CONFIG_VALUE_COUNT
 };
 
-enum WorldIntConfigs
+enum WorldIntConfigs : uint8
 {
     CONFIG_COMPRESSION = 0,
     CONFIG_INTERVAL_SAVE,
@@ -422,7 +422,7 @@ enum WorldIntConfigs
 };
 
 /// Server rates
-enum Rates
+enum Rates : uint8
 {
     RATE_HEALTH = 0,
     RATE_POWER_MANA,