fixed not recognized css on rhombus

resources/library/shape/nofill_rhombus.svg

-<svg id="Calque_1" data-name="Calque 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 91.33 103.51"><defs><style>.cls-1{fill:none;stroke:#000;stroke-miterlimit:10;}</style></defs><title>losange</title><polygon class="cls-1" points="45.67 0.76 0.67 51.76 45.67 102.76 90.67 51.76 45.67 0.76"/></svg>
\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg">
+<path fill="none" stroke="#000" stroke-width="1" d="M45.67 0.76 0.67 51.76 45.67 102.76 90.67 51.76 45.67 0.76z"/>
+</svg>