fix mac png problem

src/mainwindow.cpp

@@ -908,9 +908,9 @@ void MainWindow::setupTransactionsTab() {
     // Set up context menu on transactions tab
     auto theme = Settings::getInstance()->get_theme_name();
     if (theme == "dark" || theme == "midnight") {
-    ui->listChat->setStyleSheet("background-image: url(res/sdlogo.png) ;background-attachment: fixed ;background-position: center center ;background-repeat: no-repeat;background-size: cover");
+    ui->listChat->setStyleSheet("background-image: url(:/icons/res/sdlogo.png) ;background-attachment: fixed ;background-position: center center ;background-repeat: no-repeat;background-size: cover");
      }
-    if (theme == "default") {ui->listChat->setStyleSheet("background-image: url(res/sdlogo2.png) ;background-attachment: fixed ;background-position: center center ;background-repeat: no-repeat;background-size: cover");}
+    if (theme == "default") {ui->listChat->setStyleSheet("background-image: url(:/icons/res/sdlogo2.png) ;background-attachment: fixed ;background-position: center center ;background-repeat: no-repeat;background-size: cover");}
    
     ui->listChat->setResizeMode(QListView::Adjust);
     ui->listChat->setWordWrap(true);

src/mainwindow.ui

@@ -10,6 +10,43 @@
     <height>779</height>
    </rect>
   </property>
+  <property name="palette">
+   <palette>
+    <active>
+     <colorrole role="PlaceholderText">
+      <brush brushstyle="SolidPattern">
+       <color alpha="255">
+        <red>0</red>
+        <green>0</green>
+        <blue>0</blue>
+       </color>
+      </brush>
+     </colorrole>
+    </active>
+    <inactive>
+     <colorrole role="PlaceholderText">
+      <brush brushstyle="SolidPattern">
+       <color alpha="255">
+        <red>0</red>
+        <green>0</green>
+        <blue>0</blue>
+       </color>
+      </brush>
+     </colorrole>
+    </inactive>
+    <disabled>
+     <colorrole role="PlaceholderText">
+      <brush brushstyle="SolidPattern">
+       <color alpha="255">
+        <red>0</red>
+        <green>0</green>
+        <blue>0</blue>
+       </color>
+      </brush>
+     </colorrole>
+    </disabled>
+   </palette>
+  </property>
   <property name="windowTitle">
    <string>SilentDragonLite</string>
   </property>