[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/forms/TextField.tsx

@@ -101,16 +101,13 @@ export function useSharedInputStyles() {
     ]
     const error: ViewStyle[] = [
       {
-        backgroundColor:
-          t.name === 'light' ? t.palette.negative_25 : t.palette.negative_900,
-        borderColor:
-          t.name === 'light' ? t.palette.negative_300 : t.palette.negative_800,
+        backgroundColor: t.palette.negative_25,
+        borderColor: t.palette.negative_300,
       },
     ]
     const errorHover: ViewStyle[] = [
       {
-        backgroundColor:
-          t.name === 'light' ? t.palette.negative_25 : t.palette.negative_900,
+        backgroundColor: t.palette.negative_25,
         borderColor: t.palette.negative_500,
       },
     ]