Move feeds screen into common navigator, handle usages (#4365)

* Move feeds screen into common navigator, handle usages

* Add link to Feeds from home screen (#4366)

* Add link to feeds to home screen header

* Center logo

* Replace icons

* Tweak spacing

* Tweak spacing

* Swap icon, sizing

* Buttonize, size

* Make menu same alignment on all screens

* Remove FeedsTab support, enable drawer swipe on MessagesTab

* Add note

* Vertically align header

* Swap in Pin

* Use hashtag icon

* Remove png

* Fix reference

* Ensure alignment with home and other screens

src/view/com/testing/TestCtrls.e2e.tsx

@@ -90,7 +90,7 @@ export function TestCtrls() {
       />
       <Pressable
         testID="e2eGotoFeeds"
-        onPress={() => navigate('FeedsTab')}
+        onPress={() => navigate('Feeds')}
         accessibilityRole="button"
         style={BTN}
       />