refactor: unify note, post and nav actions

There was a bunch of redundant responses. Let's unify them under
the RenderNavAction enum. We unify all action processing under this
type.

This also centralizes all of our side effects into a single function
instead of scattering them everywhere

src/draft.rs

@@ -1,3 +1,4 @@
+use crate::ui::note::PostType;
 use std::collections::HashMap;
 
 #[derive(Default)]
@@ -17,6 +18,14 @@ impl Drafts {
         &mut self.compose
     }
 
+    pub fn get_from_post_type(&mut self, post_type: &PostType) -> &mut Draft {
+        match post_type {
+            PostType::New => self.compose_mut(),
+            PostType::Quote(note_id) => self.quote_mut(note_id.bytes()),
+            PostType::Reply(note_id) => self.reply_mut(note_id.bytes()),
+        }
+    }
+
     pub fn reply_mut(&mut self, id: &[u8; 32]) -> &mut Draft {
         self.replies.entry(*id).or_default()
     }
@@ -26,23 +35,6 @@ impl Drafts {
     }
 }
 
-pub enum DraftSource<'a> {
-    Compose,
-    Reply(&'a [u8; 32]), // note id
-    Quote(&'a [u8; 32]), // note id
-}
-
-/*
-impl<'a> DraftSource<'a> {
-    pub fn draft(&self, drafts: &'a mut Drafts) -> &'a mut Draft {
-        match self {
-            DraftSource::Compose => drafts.compose_mut(),
-            DraftSource::Reply(id) => drafts.reply_mut(id),
-        }
-    }
-}
-*/
-
 impl Draft {
     pub fn new() -> Self {
         Draft::default()