Optimized orbit (#1096)

* Optimized `orbit`

* Update `orbit`

Co-authored-by: Karsa <contact@karsa.org>

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Co-authored-by: Karsa <contact@karsa.org>

icons/orbit.svg

@@ -12,6 +12,6 @@
   <circle cx="12" cy="12" r="3" />
   <circle cx="18" cy="6" r="2" />
   <circle cx="6" cy="18" r="2" />
-  <path d="M18.8,7.8c0.2,0.3,0.4,0.7,0.5,1.1c0.4,1,0.6,2,0.6,3.1s-0.2,2.2-0.6,3.1c-0.4,1-1,1.8-1.7,2.5 s-1.6,1.3-2.5,1.7c-1,0.4-2,0.6-3.1,0.6" />
-  <path d="M5.2,16.2c-0.2-0.3-0.4-0.7-0.5-1.1c-0.4-1-0.6-2-0.6-3.1s0.2-2.2,0.6-3.1c0.4-1,1-1.8,1.7-2.5S7.9,5,8.9,4.6 c1-0.4,2-0.6,3.1-0.6" />
+  <path d="M12 20a8 8 0 0 0 6.82-12.17" />
+  <path d="M12 4a8 8 0 0 0-6.82 12.17" />
 </svg>