fix some bugs in settings UI section

src/librssguard/gui/reusable/colortoolbutton.cpp

@@ -22,7 +22,6 @@ ColorToolButton::ColorToolButton(QWidget* parent) : QToolButton(parent), m_color
 
     if (new_color.isValid()) {
       setColor(new_color);
-      emit colorChanged(new_color);
     }
   });
 }
@@ -34,13 +33,14 @@ QColor ColorToolButton::color() const {
 void ColorToolButton::setColor(const QColor& color) {
   m_color = color;
   repaint();
+
+  emit colorChanged(m_color);
 }
 
 void ColorToolButton::setRandomColor() {
   auto clr = TextFactory::generateRandomColor();
 
   setColor(clr);
-  emit colorChanged(clr);
 }
 
 void ColorToolButton::paintEvent(QPaintEvent* e) {
@@ -76,6 +76,5 @@ void ColorToolButton::mouseReleaseEvent(QMouseEvent* event) {
 
   if (event->button() == Qt::MouseButton::RightButton) {
     setColor(m_alternateColor);
-    emit colorChanged(m_alternateColor);
   }
 }

src/librssguard/gui/settings/settingsgui.ui

@@ -20,7 +20,7 @@
    <item>
     <widget class="QTabWidget" name="m_tabUi">
      <property name="currentIndex">
-      <number>0</number>
+      <number>1</number>
      </property>
      <widget class="QWidget" name="m_tabIconSkin">
       <attribute name="title">
@@ -126,7 +126,7 @@
        <item row="2" column="0">
         <widget class="QGroupBox" name="m_gbCustomSkinColors">
          <property name="title">
-          <string>Force custom skin colors</string>
+          <string>Customize predefined colors</string>
          </property>
          <property name="checkable">
           <bool>true</bool>