Update icons

New icons from @pgilfernandez

* New checkbox icons for hover state
* New easing icons

The easing icons will be enabled at a later date, need to change some code.

src/app/friction.qss

@@ -204,8 +204,7 @@ QPushButton:hover,
 QToolButton:hover,
 QPushButton:checked,
 QToolButton:checked,
-QAction:checked,
-QCheckBox::indicator:unchecked:hover
+QAction:checked
 {
     background-color: %3;
     border-color: %4;
@@ -318,7 +317,6 @@ QToolButton#FlatButton {
     border-radius: 2%;
 }
 
-QCheckBox::indicator:unchecked:hover,
 QPushButton#FlatButton:hover,
 QToolButton#FlatButton:hover {
     background-color: rgb(19, 19, 21);
@@ -498,11 +496,6 @@ QWidget#RenderContentWidget {
     border: 1px solid %1;
 }
 
-QCheckBox::indicator:hover,
-QCheckBox::indicator:hover:unchecked {
-    background-color: %4;
-}
-
 QTreeView::indicator:checked,
 QCheckBox::indicator:checked {
     image: url(:/icons/hicolor/%11x%11/friction/box-checked.png);
@@ -517,6 +510,21 @@ QCheckBox::indicator:unchecked {
     height: %7px;
 }
 
+
+QTreeView::indicator:checked:hover,
+QCheckBox::indicator:checked:hover {
+    image: url(:/icons/hicolor/%11x%11/friction/box-checked-hover.png);
+    width: %7px;
+    height: %7px;
+}
+
+QTreeView::indicator:unchecked:hover,
+QCheckBox::indicator:unchecked:hover {
+    image: url(:/icons/hicolor/%11x%11/friction/box-unchecked-hover.png);
+    width: %7px;
+    height: %7px;
+}
+
 QMenu::icon {
     padding-left: 6px;
 }