qml: Add caret down icon

Author: johnny9

src/Makefile.qt.include

@@ -360,6 +360,7 @@ QML_RES_ICONS = \
   qml/res/icons/blockclock-size-showcase.png \
   qml/res/icons/blocktime-dark.png \
   qml/res/icons/blocktime-light.png \
+  qml/res/icons/caret-down-medium-filled.png \
   qml/res/icons/caret-left.png \
   qml/res/icons/caret-right.png \
   qml/res/icons/check.png \

src/qml/bitcoin_qml.qrc

@@ -107,6 +107,7 @@
         <file alias="blocktime-dark">res/icons/blocktime-dark.png</file>
         <file alias="blocktime-light">res/icons/blocktime-light.png</file>
         <file alias="bitcoin">../qt/res/icons/bitcoin.png</file>
+        <file alias="caret-down-medium-filled">res/icons/caret-down-medium-filled.png</file>
         <file alias="caret-left">res/icons/caret-left.png</file>
         <file alias="caret-right">res/icons/caret-right.png</file>
         <file alias="check">res/icons/check.png</file>