show a better error message at fixing date taken values, if none found

app/src/main/kotlin/com/simplemobiletools/gallery/pro/extensions/Activity.kt

@@ -453,6 +453,14 @@ fun Activity.fixDateTaken(paths: ArrayList<String>, showToasts: Boolean, hasResc
                 }
             }
 
+            if (!didUpdateFile) {
+                toast(R.string.no_date_takens_found)
+                runOnUiThread {
+                    callback?.invoke()
+                }
+                return@ensureBackgroundThread
+            }
+
             val resultSize = contentResolver.applyBatch(MediaStore.AUTHORITY, operations).size
             if (resultSize == 0) {
                 didUpdateFile = false

app/src/main/kotlin/com/simplemobiletools/gallery/pro/extensions/Context.kt

@@ -958,7 +958,7 @@ fun Context.getFileDateTaken(path: String): Long {
             do {
                 try {
                     return cursor.getLongValue(MediaStore.Images.Media.DATE_TAKEN)
-                } catch (e: Exception) {
+                } catch (ignored: Exception) {
                 }
             } while (cursor.moveToNext())
         }