OOC sent by an admin will have a different color (#3117)

* Admin OOC is sent with a different color than regular OOC

- Also adds the OOC color to the database

* Command to set the color

* Ooc -> OOC

* Change default color to Red (`#ff0000`)

* Outdated namespace

Content.Server/Preferences/ServerPreferencesManager.cs

@@ -12,6 +12,7 @@ using Robust.Server.Player;
 using Robust.Shared.Configuration;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
+using Robust.Shared.Maths;
 using Robust.Shared.Network;
 using Robust.Shared.Prototypes;
 
@@ -72,7 +73,7 @@ namespace Content.Server.Preferences
                 return;
             }
 
-            prefsData.Prefs = new PlayerPreferences(curPrefs.Characters, index);
+            prefsData.Prefs = new PlayerPreferences(curPrefs.Characters, index, curPrefs.AdminOOCColor);
 
             if (ShouldStorePrefs(message.MsgChannel.AuthType))
             {
@@ -111,7 +112,7 @@ namespace Content.Server.Preferences
                 [slot] = HumanoidCharacterProfile.EnsureValid((HumanoidCharacterProfile) profile, _protos)
             };
 
-            prefsData.Prefs = new PlayerPreferences(profiles, slot);
+            prefsData.Prefs = new PlayerPreferences(profiles, slot, curPrefs.AdminOOCColor);
 
             if (ShouldStorePrefs(message.MsgChannel.AuthType))
             {
@@ -156,7 +157,7 @@ namespace Content.Server.Preferences
             var arr = new Dictionary<int, ICharacterProfile>(curPrefs.Characters);
             arr.Remove(slot);
 
-            prefsData.Prefs = new PlayerPreferences(arr, nextSlot ?? curPrefs.SelectedCharacterIndex);
+            prefsData.Prefs = new PlayerPreferences(arr, nextSlot ?? curPrefs.SelectedCharacterIndex, curPrefs.AdminOOCColor);
 
             if (ShouldStorePrefs(message.MsgChannel.AuthType))
             {
@@ -181,7 +182,7 @@ namespace Content.Server.Preferences
                     PrefsLoaded = Task.CompletedTask,
                     Prefs = new PlayerPreferences(
                         new[] {new KeyValuePair<int, ICharacterProfile>(0, HumanoidCharacterProfile.Default())},
-                        0)
+                        0, Color.Transparent)
                 };
 
                 _cachedPlayerPrefs[session.UserId] = prefsData;
@@ -279,7 +280,7 @@ namespace Content.Server.Preferences
                 }
 
                 return new KeyValuePair<int, ICharacterProfile>(p.Key, newProf);
-            }), prefs.SelectedCharacterIndex);
+            }), prefs.SelectedCharacterIndex, prefs.AdminOOCColor);
         }
 
         public IEnumerable<KeyValuePair<NetUserId, ICharacterProfile>> GetSelectedProfilesForPlayers(