GCodeViewer -> New icons for thumbs of horizontal DoubleSlider::Control

resources/icons/thumb_right.svg

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   sodipodi:docname="thumb_right.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 16 16"
+   viewBox="0 0 16 16"
+   y="0px"
+   x="0px"
+   id="Layer_1"
+   version="1.0"><metadata
+   id="metadata32"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs30" /><sodipodi:namedview
+   inkscape:current-layer="Layer_1"
+   inkscape:window-maximized="0"
+   inkscape:window-y="0"
+   inkscape:window-x="1268"
+   inkscape:cy="8"
+   inkscape:cx="8"
+   inkscape:zoom="63"
+   showgrid="false"
+   id="namedview28"
+   inkscape:window-height="1368"
+   inkscape:window-width="1283"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
+   guidetolerance="10"
+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<g
+   transform="matrix(0,-1,-1,0,16.012532,16)"
+   id="hex_x5F_plus">
+	<g
+   id="g24">
+		<polygon
+   id="polygon22"
+   style="stroke:#ffffff;stroke-width:1"
+   points="15,8 15,7 15,5 8,0 1,5 1,7 1,8 "
+   fill="#ed6b21" />
+	</g>
+</g>
+</svg>