Move Drafts button to nav bar when current composed post doesn't have any content

Tusker/Screens/Compose/ComposeToolbar.swift

@@ -78,12 +78,6 @@ struct ComposeToolbar: View {
                 }
                 
                 Spacer()
-                
-                Button(action: self.draftsButtonPressed) {
-                    Text("Drafts")
-                }
-                .padding(5)
-                .hoverEffect()
             }
             .padding(.horizontal, 16)
             .frame(minWidth: minWidth)
@@ -119,10 +113,6 @@ struct ComposeToolbar: View {
         uiState.currentInput?.beginAutocompletingEmoji()
     }
     
-    private func draftsButtonPressed() {
-        uiState.isShowingDraftsList = true
-    }
-    
     private func formatAction(_ format: StatusFormat) -> () -> Void {
         {
             uiState.currentInput?.applyFormat(format)

Tusker/Screens/Compose/ComposeView.swift

@@ -239,16 +239,25 @@ struct ComposeView: View {
         }
     }
     
+    @ViewBuilder
     private var postButton: some View {
-        Button {
-            Task {
-                await self.postStatus()
+        if draft.hasContent {
+            Button {
+                Task {
+                    await self.postStatus()
+                }
+            } label: {
+                Text("Post")
+            }
+            .keyboardShortcut(.return, modifiers: .command)
+            .disabled(!postButtonEnabled)
+        } else {
+            Button {
+                uiState.isShowingDraftsList = true
+            } label: {
+                Text("Drafts")
             }
-        } label: {
-            Text("Post")
         }
-        .keyboardShortcut(.return, modifiers: .command)
-        .disabled(!postButtonEnabled)
     }
     
     private func cancel() {