[ALF] Theme & palette cleanup (#4769)

* Invert primary scale

* Invert negative palette

* Replace theme specific styles in Toggle

* Remove theme specific colors from Button, improves secondary solid on dark mode

* TextField

* Remove from MessageItem

* Threadgate editor

* IconCircle

* Muted words

* Generate themes from hues

* Cleanup

* Deprecate more values, fix circular import

* Invert positive too, hardly use

* Button tweaks, some theme diffs

* Match disabled state for negative button

* Fix unread noty bg

src/components/IconCircle.tsx

@@ -2,14 +2,14 @@ import React from 'react'
 import {View} from 'react-native'
 
 import {
-  useTheme,
   atoms as a,
-  ViewStyleProp,
-  TextStyleProp,
   flatten,
+  TextStyleProp,
+  useTheme,
+  ViewStyleProp,
 } from '#/alf'
-import {Growth_Stroke2_Corner0_Rounded as Growth} from '#/components/icons/Growth'
 import {Props} from '#/components/icons/common'
+import {Growth_Stroke2_Corner0_Rounded as Growth} from '#/components/icons/Growth'
 
 export function IconCircle({
   icon: Icon,
@@ -32,8 +32,7 @@ export function IconCircle({
         {
           width: size === 'lg' ? 52 : 64,
           height: size === 'lg' ? 52 : 64,
-          backgroundColor:
-            t.name === 'light' ? t.palette.primary_50 : t.palette.primary_950,
+          backgroundColor: t.palette.primary_50,
         },
         flatten(style),
       ]}>