Change spaces to newlines in new posts to provide cleaner separation between text, uploaded media, and quoted notes

Changelog-Changed: Changed spaces to newlines in new posts to provide cleaner separation between text, uploaded media, and quoted notes
Signed-off-by: Terry Yiu <git@tyiu.xyz>

damus/Views/PostView.swift

@@ -865,12 +865,12 @@ func build_post(state: DamusState, post: NSAttributedString, action: PostAction,
 
 
     var content = post.string
-        .trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
+        .trimmingCharacters(in: .whitespacesAndNewlines)
 
-    let imagesString = uploadedMedias.map { $0.uploadedURL.absoluteString }.joined(separator: " ")
+    let imagesString = uploadedMedias.map { $0.uploadedURL.absoluteString }.joined(separator: "\n")
 
     if !imagesString.isEmpty {
-        content.append(" " + imagesString + " ")
+        content.append("\n\n" + imagesString)
     }
 
     var tags: [[String]] = []
@@ -881,16 +881,12 @@ func build_post(state: DamusState, post: NSAttributedString, action: PostAction,
         tags = nip10_reply_tags(replying_to: replying_to, keypair: state.keypair)
 
     case .quoting(let ev):
-            content.append(" nostr:" + bech32_note_id(ev.id))
+        content.append("\n\nnostr:" + bech32_note_id(ev.id))
 
         if let quoted_ev = state.events.lookup(ev.id) {
             tags.append(["p", quoted_ev.pubkey.hex()])
         }
-        case .posting(let postTarget):
+    case .posting, .highlighting, .sharing:
-            break
-        case .highlighting(let draft):
-            break
-        case .sharing(_):
         break
     }
 
@@ -913,7 +909,7 @@ func build_post(state: DamusState, post: NSAttributedString, action: PostAction,
             }
     }
 
-    return NostrPost(content: content, kind: .text, tags: tags)
+    return NostrPost(content: content.trimmingCharacters(in: .whitespacesAndNewlines), kind: .text, tags: tags)
 }
 
 func isSupportedVideo(url: URL?) -> Bool {