Basically wrote the whole thing.

static/icons/select-all.svg

@@ -0,0 +1,29 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="512.000000pt" height="512.000000pt" viewBox="0 0 512.000000 512.000000"
+ preserveAspectRatio="xMidYMid meet">
+<metadata>
+Created by potrace 1.16, written by Peter Selinger 2001-2019
+</metadata>
+<g transform="translate(0.000000,512.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
+<path d="M360 5101 c-173 -56 -293 -178 -344 -350 -14 -48 -16 -145 -16 -812
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+-93 20 -826 19 -701 0 -765 -1 -816 -18z"/>
+<path d="M3108 5097 c-160 -55 -292 -195 -333 -352 -23 -89 -23 -1518 1 -1607
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+-780 3 -67 -23z"/>
+<path d="M371 2344 c-159 -43 -303 -184 -352 -344 -19 -63 -19 -91 -17 -840
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+<path d="M3139 2345 c-171 -47 -320 -196 -363 -363 -24 -89 -24 -1518 -1
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+</g>
+</svg>