Make dim theme dim (#2966)

* Make dim color scheme dim

* Tweaks

* Overall tweaks

* We have to go darker

* Tweak saturation of blues in dim

* Increase contrast on dark-dark mode

* adjust dim

---------

Co-authored-by: Eric Bailey <git@esb.lol>
Co-authored-by: Paul Frazee <pfrazee@gmail.com>
Co-authored-by: Hailey <me@haileyok.com>

src/components/forms/DateField/index.android.tsx

@@ -98,7 +98,7 @@ export function DateField({
           timeZoneName={'Etc/UTC'}
           display="spinner"
           // @ts-ignore applies in iOS only -prf
-          themeVariant={t.name === 'dark' ? 'dark' : 'light'}
+          themeVariant={t.name === 'light' ? 'light' : 'dark'}
           value={new Date(value)}
           onChange={onChangeInternal}
         />

src/components/forms/DateField/index.tsx

@@ -47,7 +47,7 @@ export function DateField({
         mode="date"
         timeZoneName={'Etc/UTC'}
         display="spinner"
-        themeVariant={t.name === 'dark' ? 'dark' : 'light'}
+        themeVariant={t.name === 'light' ? 'light' : 'dark'}
         value={new Date(value)}
         onChange={onChangeInternal}
       />