qt: align amounts on overview page to the right

This is more consistent with other places in the GUI.

src/qt/forms/overviewpage.ui

@@ -124,6 +124,9 @@
               <property name="text">
                <string notr="true">0 BTC</string>
               </property>
+              <property name="alignment">
+               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+              </property>
               <property name="textInteractionFlags">
                <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
               </property>
@@ -153,6 +156,9 @@
               <property name="text">
                <string notr="true">0 BTC</string>
               </property>
+              <property name="alignment">
+               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+              </property>
               <property name="textInteractionFlags">
                <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
               </property>
@@ -179,6 +185,9 @@
               <property name="text">
                <string notr="true">0 BTC</string>
               </property>
+              <property name="alignment">
+               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+              </property>
               <property name="textInteractionFlags">
                <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
               </property>
@@ -208,6 +217,9 @@
               <property name="text">
                <string notr="true">0 BTC</string>
               </property>
+              <property name="alignment">
+               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+              </property>
               <property name="textInteractionFlags">
                <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
               </property>