fix: ColorPicker getColor (#5949)

Co-authored-by: dwelle <luzar.david@gmail.com>

src/components/ColorPicker.tsx

@@ -66,10 +66,13 @@ const getColor = (color: string): string | null => {
     return color;
   }
 
-  return isValidColor(color)
-    ? color
-    : isValidColor(`#${color}`)
+  // testing for `#` first fixes a bug on Electron (more specfically, an
+  // Obsidian popout window), where a hex color without `#` is (incorrectly)
+  // considered valid
+  return isValidColor(`#${color}`)
     ? `#${color}`
+    : isValidColor(color)
+    ? color
     : null;
 };