Fix #3203 and restore the hover color for the 'Enabled' buttons

tools/source_icons/scalable/expanderDisabled.svg

@@ -10,11 +10,11 @@
    xmlns:xlink="http://www.w3.org/1999/xlink"
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="1300"
+   width="1000"
    height="1000"
    id="svg2"
    sodipodi:version="0.32"
-   inkscape:version="0.48.3.1 r9886"
+   inkscape:version="0.91 r13725"
    sodipodi:docname="expanderDisabled.svg"
    inkscape:export-filename="/home/philippe/devel/rawtherapee/icons/NewIcons/crop22.png"
    inkscape:export-xdpi="2.1600001"
@@ -580,9 +580,9 @@
      borderopacity="1.0"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="0.839"
-     inkscape:cx="650"
-     inkscape:cy="500"
+     inkscape:zoom="0.4195"
+     inkscape:cx="950.98525"
+     inkscape:cy="563.6275"
      inkscape:document-units="px"
      inkscape:current-layer="g4060"
      showguides="true"
@@ -603,7 +603,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
+        <dc:title></dc:title>
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -619,12 +619,12 @@
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          transform="matrix(1.5074827,0,0,1.5074827,-9.4212231,-17.89429)">
         <path
-           style="opacity:0.7;fill:none;stroke:#2a7fff;stroke-width:33.1678772;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:0.65098039;stroke-dasharray:none"
+           style="opacity:0.7;fill:none;stroke:#2a7fff;stroke-width:33.1678772;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:0.65098039"
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+           style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:Sans;-inkscape-font-specification:Sans;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;letter-spacing:normal;word-spacing:normal;text-transform:none;direction:ltr;block-progression:tb;writing-mode:lr-tb;baseline-shift:baseline;text-anchor:start;display:inline;overflow:visible;visibility:visible;opacity:0.7;fill:#2a7fff;fill-opacity:0.65158374;stroke:none;stroke-width:50.6696434;marker:none;enable-background:accumulate"
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