TextEditor: Improved lightbulb icon

Hopefully now looks more like a light bulb than like an ice cream.

Change-Id: Icc27fe786ea0cc1ca8c504ea6e766cb7d54e5050
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/tools/icons/qtcreatoricons.svg

@@ -3383,11 +3383,17 @@
          height="11"
          id="rect6782-96-0-0-7-8-1-0-4-4" />
       <path
-         style="fill:#000000"
-         d="m 1183,578.3334 0,0.6666 0.5,0 0,1 -0.5,0 0,1 1,0 0.5,1 1,0 0.5,-1 1,0 0,-1 -0.5,0 0,-1 0.5,0 0,-0.6666 z"
-         id="path4355"
+         style="display:inline;fill:#666666"
+         d="m 1183,579 0,1 1.5,2 1,0 1.5,-2 0,-1 z"
+         id="path4355-3"
          inkscape:connector-curvature="0"
-         sodipodi:nodetypes="ccccccccccccccccc" />
+         sodipodi:nodetypes="ccccccc" />
+      <path
+         id="rect5226"
+         style="fill:#000000"
+         d="m 1183,580 4,0 -0.25,1 -3.5,0 z m 0,-2 4,0 0,1 -4,0 z"
+         inkscape:connector-curvature="0"
+         sodipodi:nodetypes="cccccccccc" />
     </g>
     <g
        style="display:inline"
@@ -3402,7 +3408,7 @@
          id="rect6782-96-0-0-7-8-1-0-4-4-9" />
       <path
          style="fill:#000000"
-         d="m 1183,578 c 0,0 0,0.17678 -1.5,-2.32322 -1.5,-2.5 0.5,-4.67678 3.5,-4.67678 3,0 5,2.17678 3.5,4.67678 -1.5,2.5 -1.5,2.32322 -1.5,2.32322 z"
+         d="m 1182.5,577.5 -1.25,-2.25 c -1,-1.82322 0.75,-4.25 3.75,-4.25 3,0 4.75,2.42678 3.75,4.25 l -1.25,2.25 z"
          id="path4349-1"
          inkscape:connector-curvature="0"
          sodipodi:nodetypes="czzzcc" />