improve: simplify post-fs-data.sh log naming logic

* First we check if any DebugAssistant log is present instead of any file, making the first logic creation entirely out of the loop
* After that we can remove the check for equals to "" or end of the files which was a leftover from the previous uncommitted while loop logic
* Since we already confirmed a DebugAssistant log is present, we do not need to check if the loop is about to end and no logs were found

Signed-off-by: TheSillyOk <priv.ld@proton.me>

Author: TheSillyOk

post-fs-data.sh

@@ -21,16 +21,11 @@ function watch_logcat() {
   while [ ! ];do logcat;sleep 1;done > "$file_path" &
 }
 
-LATEST=$(ls -t $SAVE_FOLDER | head -1)
-if [[ "$LATEST" != "" ]]; then
+FILES=$(ls "$SAVE_FOLDER" | grep 'DebugAssistant')
+if [[ "$FILES" != "" ]]; then
   index=1
   for f in "$SAVE_FOLDER"/; do
     LATEST=$(ls -t "$SAVE_FOLDER" | awk NR==$index)
-    if [[ "$LATEST" == "" ]]; then
-      prepare_file ""
-      watch_logcat ""
-      break
-    fi
     if [[ "$LATEST" == "DebugAssistant.log" ]]; then
       prepare_file "-2"
       watch_logcat "-2"