When copy-pasting from a treeview, trim each line individually

* This helps with views that have icon-only columns at the start or end, which
  would generate unnecessary whitespace when copying multiple lines.

qrenderdoc/Widgets/Extended/RDTreeView.cpp

@@ -604,6 +604,8 @@ void RDTreeView::copySelection()
 
     int depth = GetDepth(model(), idx);
 
+    QString line;
+
     for(int i = 0; i < colCount; i++)
     {
       QString format = i == 0 ? QFormatStr("%1") : QFormatStr(" %1");
@@ -614,14 +616,14 @@ void RDTreeView::copySelection()
       if(i == 0)
         text.prepend(QString((depth - minDepth) * 2, QLatin1Char(' ')));
 
-      clipData += format.arg(text, -widths[i]);
+      line += format.arg(text, -widths[i]);
     }
 
-    clipData += lit("\n");
+    clipData += line.trimmed() + lit("\n");
   }
 
   QClipboard *clipboard = QApplication::clipboard();
-  clipboard->setText(clipData.trimmed());
+  clipboard->setText(clipData);
 }
 
 void RDTreeView::updateExpansionFromRow(RDTreeViewExpansionState &state, QModelIndex idx, uint seed,

qrenderdoc/Widgets/Extended/RDTreeWidget.cpp

@@ -24,7 +24,6 @@
 
 #include "RDTreeWidget.h"
 #include <QApplication>
-#include <QClipboard>
 #include <QColor>
 #include <QDebug>
 #include <QHeaderView>