Make yellow darker

Fixes readability issues in the userprofile.

fixes #440

resources/qml/EncryptionIndicator.qml

@@ -22,10 +22,10 @@ Image {
             case Crypto.TOFU:
                 return "image://colorimage/:/icons/icons/ui/lock.png?" + Nheko.colors.buttonText;
             default:
-                return "image://colorimage/:/icons/icons/ui/lock.png?#dd3d3d";
+                return "image://colorimage/:/icons/icons/ui/lock.png?#d6c020";
             }
         } else {
-            return "image://colorimage/:/icons/icons/ui/unlock.png?#dd3d3d";
+            return "image://colorimage/:/icons/icons/ui/unlock.png?#d6c020";
         }
     }
     ToolTip.visible: ma.hovered

resources/qml/dialogs/UserProfile.qml

@@ -309,7 +309,7 @@ ApplicationWindow {
                             case VerificationStatus.VERIFIED:
                                 return "image://colorimage/:/icons/icons/ui/lock.png?green";
                             case VerificationStatus.UNVERIFIED:
-                                return "image://colorimage/:/icons/icons/ui/unlock.png?yellow";
+                                return "image://colorimage/:/icons/icons/ui/unlock.png?#d6c020";
                             case VerificationStatus.SELF:
                                 return "image://colorimage/:/icons/icons/ui/checkmark.png?green";
                             default:
@@ -390,7 +390,7 @@ ApplicationWindow {
                     case VerificationStatus.VERIFIED:
                         return "image://colorimage/:/icons/icons/ui/lock.png?green";
                     case VerificationStatus.UNVERIFIED:
-                        return "image://colorimage/:/icons/icons/ui/unlock.png?yellow";
+                        return "image://colorimage/:/icons/icons/ui/unlock.png?#d6c020";
                     case VerificationStatus.SELF:
                         return "image://colorimage/:/icons/icons/ui/checkmark.png?green";
                     default: