Add missing style

Without it the svgs are rendered as completely black.

CURA-8094

resources/themes/cura-light/images/first_run_ultimaker_cloud.svg

@@ -1,6 +1,6 @@
 <svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 325.48 197.18">
     <defs>
-        <style>.cls-1,.cls-4{fill:#f3f8fe;}.cls-1,.cls-5{stroke:#061884;}.cls-1,.cls-6{stroke-miterlimit:10;}.cls-1,.cls-5,.cls-6,.cls-7{stroke-width:2px;}.cls-2,.cls-5{fill:#fff;}.cls-3{fill:#061884;}.cls-5,.cls-7{stroke-linecap:round;stroke-linejoin:round;}.cls-6,.cls-7{fill:none;stroke:#2c3278;}.cls-8{fill:#292f79;fill-rule:evenodd;}</style>
+        <style type="text/css">.cls-1,.cls-4{fill:#f3f8fe;}.cls-1,.cls-5{stroke:#061884;}.cls-1,.cls-6{stroke-miterlimit:10;}.cls-1,.cls-5,.cls-6,.cls-7{stroke-width:2px;}.cls-2,.cls-5{fill:#fff;}.cls-3{fill:#061884;}.cls-5,.cls-7{stroke-linecap:round;stroke-linejoin:round;}.cls-6,.cls-7{fill:none;stroke:#2c3278;}.cls-8{fill:#292f79;fill-rule:evenodd;}</style>
     </defs>
     <path class="cls-1" d="M47.68,9.26H277.81a6.1,6.1,0,0,1,6.1,6.1V172.48a0,0,0,0,1,0,0H41.57a0,0,0,0,1,0,0V15.36A6.1,6.1,0,0,1,47.68,9.26Z"/>
     <path class="cls-2" d="M50.88,173.48a1,1,0,0,1-1-1V19.57a2,2,0,0,1,2-2H272.61a3,3,0,0,1,3,3V172.48a1,1,0,0,1-1,1Z"/>

resources/themes/cura-light/images/first_run_welcome_cura.svg

@@ -1,6 +1,6 @@
 <svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 325.48 197.18">
     <defs>
-        <style>.cls-1,.cls-4{fill:#f3f8fe;}.cls-1,.cls-5{stroke:#061884;}.cls-1,.cls-6{stroke-miterlimit:10;}.cls-1,.cls-5,.cls-6,.cls-7{stroke-width:2px;}.cls-2,.cls-5{fill:#fff;}.cls-3{fill:#061884;}.cls-5,.cls-7{stroke-linecap:round;stroke-linejoin:round;}.cls-6,.cls-7{fill:none;stroke:#2c3278;}</style>
+        <style type="text/css">.cls-1,.cls-4{fill:#f3f8fe;}.cls-1,.cls-5{stroke:#061884;}.cls-1,.cls-6{stroke-miterlimit:10;}.cls-1,.cls-5,.cls-6,.cls-7{stroke-width:2px;}.cls-2,.cls-5{fill:#fff;}.cls-3{fill:#061884;}.cls-5,.cls-7{stroke-linecap:round;stroke-linejoin:round;}.cls-6,.cls-7{fill:none;stroke:#2c3278;}</style>
     </defs>
     <g id="Software">
         <path class="cls-1" d="M47.68,9.26H277.81a6.1,6.1,0,0,1,6.1,6.1V172.48a0,0,0,0,1,0,0H41.57a0,0,0,0,1,0,0V15.36a6.1,6.1,0,0,1,6.1-6.1Z"/>