Utils: Move the breakpoint icon mask from Debugger to Utils

A filled circle can be used for other icons as-well.

Change-Id: Ifed0dda111ccb92fa5bb44d63f1c23af1137121a
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/libs/utils/utils.qrc

@@ -168,5 +168,7 @@
         <file>images/fittoview@2x.png</file>
         <file>images/namespace.png</file>
         <file>images/namespace@2x.png</file>
+        <file>images/filledcircle.png</file>
+        <file>images/filledcircle@2x.png</file>
     </qresource>
 </RCC>

src/plugins/debugger/debugger.qrc

@@ -25,8 +25,6 @@
         <file>images/debugger_stepout_small@2x.png</file>
         <file>images/debugger_stepover_small.png</file>
         <file>images/debugger_stepover_small@2x.png</file>
-        <file>images/breakpoint.png</file>
-        <file>images/breakpoint@2x.png</file>
         <file>images/breakpoint_disabled.png</file>
         <file>images/breakpoint_disabled@2x.png</file>
         <file>images/breakpoint_pending_overlay.png</file>

src/plugins/debugger/debuggericons.cpp

@@ -31,11 +31,11 @@ namespace Debugger {
 namespace Icons {
 
 const Icon BREAKPOINT({
-        {":/debugger/images/breakpoint.png", Theme::IconsErrorColor}}, Icon::Tint);
+        {":/utils/images/filledcircle.png", Theme::IconsErrorColor}}, Icon::Tint);
 const Icon BREAKPOINT_DISABLED({
         {":/debugger/images/breakpoint_disabled.png", Theme::IconsErrorColor}}, Icon::Tint);
 const Icon BREAKPOINT_PENDING({
-        {":/debugger/images/breakpoint.png", Theme::IconsErrorColor},
+        {":/utils/images/filledcircle.png", Theme::IconsErrorColor},
         {":/debugger/images/breakpoint_pending_overlay.png", Theme::PanelTextColorDark}}, Icon::IconStyleOptions(Icon::Tint | Icon::PunchEdges));
 const Icon BREAKPOINTS(
         ":/debugger/images/debugger_breakpoints.png");

src/tools/icons/qtcreatoricons.svg

@@ -5128,7 +5128,7 @@
          sodipodi:nodetypes="cccccccc" />
     </g>
     <g
-       id="src/plugins/debugger/images/breakpoint"
+       id="src/libs/utils/images/filledcircle"
        transform="translate(-422,-48)">
       <rect
          y="584"