修复英文语音转文字时，单词之间没有空格

Author: imndx

uikit/src/main/java/cn/wildfire/chat/kit/conversation/message/viewholder/AudioMessageContentViewHolder.java

@@ -140,7 +140,7 @@ public void speechToText(View itemView, UiMessage message) {
         final String currentAudioUrl = voiceMessage.remoteUrl;
 
         object.put("url", currentAudioUrl);
-        object.put("noReuse", false);
+        object.put("noReuse", true);
         object.put("noLlm", false);
         this.speechToTextSB = new StringBuilder();
         this.speechToTextInProgress = true;
@@ -164,7 +164,15 @@ public void onUiEvent(@NonNull EventSource eventSource, @Nullable String id, @Nu
                     return;
                 }
                 if (TextUtils.equals(currentAudioUrl, ((SoundMessageContent) message.message.content).remoteUrl)) {
-                    speechToTextSB.append(data.replaceAll("\n", ""));
+                    if (TextUtils.isEmpty(data)) {
+                        return;
+                    }
+                    char firstChar = data.charAt(0);
+                    if (!speechToTextSB.toString().isEmpty()
+                        && ((firstChar >= 'a' && firstChar <= 'z') || (firstChar >= 'A' && firstChar <= 'Z'))) {
+                        speechToTextSB.append(" ");
+                    }
+                    speechToTextSB.append(data);
                     String text = speechToTextSB.toString();
                     speechToTextTextView.setText(text);
                     message.audioMessageSpeechToText = text;