style(feedback): don't invert colors if checkbox is disabled (#59477)

disabled + selected:
<img width="400" alt="SCR-20231106-metl"
src="https://github.com/getsentry/sentry/assets/56095982/b373ca3c-340a-417e-a6ec-07fbac98fec0">
disabled + not selected:
<img width="386" alt="SCR-20231106-meza"
src="https://github.com/getsentry/sentry/assets/56095982/0cd5e08d-53d4-4063-96ce-8b063549986a">
checked + not selected:
<img width="401" alt="SCR-20231106-mewm"
src="https://github.com/getsentry/sentry/assets/56095982/eac00637-1970-44a7-a64e-fa22a742c598">
checked + selected:
<img width="392" alt="SCR-20231106-meuw"
src="https://github.com/getsentry/sentry/assets/56095982/8e856d8a-93b0-4906-b3f1-3f9f13714753">

 fixes https://github.com/getsentry/sentry/issues/59338

static/app/components/checkbox.tsx

@@ -82,7 +82,7 @@ function Checkbox({
           <VariableWeightIcon
             viewBox="0 0 16 16"
             size={checkboxSizeMap[size].icon}
-            invertColors={invertColors}
+            invertColors={props.disabled ? false : invertColors}
           >
             <path d="M2.86 9.14C4.42 10.7 6.9 13.14 6.86 13.14L12.57 3.43" />
           </VariableWeightIcon>