Fix some colors switched to yellow by accident

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?#d6c020";
+                return "image://colorimage/:/icons/icons/ui/lock.png?" + Nheko.theme.error;
             }
         } else {
-            return "image://colorimage/:/icons/icons/ui/unlock.png?#d6c020";
+            return "image://colorimage/:/icons/icons/ui/unlock.png?" + Nheko.theme.error;
         }
     }
     ToolTip.visible: ma.hovered

src/ui/Theme.h

@@ -62,6 +62,7 @@ class Theme : public QPalette
     Q_PROPERTY(QColor alternateButton READ alternateButton CONSTANT)
     Q_PROPERTY(QColor separator READ separator CONSTANT)
     Q_PROPERTY(QColor red READ red CONSTANT)
+    Q_PROPERTY(QColor error READ error CONSTANT)
     Q_PROPERTY(QColor orange READ orange CONSTANT)
 public:
     Theme() {}
@@ -72,6 +73,7 @@ public:
     QColor alternateButton() const { return alternateButton_; }
     QColor separator() const { return separator_; }
     QColor red() const { return red_; }
+    QColor error() const { return QColor(0xdd, 0x3d, 0x3d); }
     QColor orange() const { return orange_; }
 
 private: