Add NormalizeUaflixVoiceNames method to standardize voice naming
by converting "Uaflix #2" or "Uaflix #3" to "Uaflix" when base name
is missing. This ensures consistent voice naming across the system.
The method checks for existing voice keys and renames them
appropriately to maintain a single canonical voice name.
Unique voice names when duplicates exist (e.g., "Uaflix" and "Uaflix 2" instead of "[Ashdi] Uaflix" and "[Zetvideo] Uaflix")
Season numbers displayed without the word "Сезон" (e.g., "1" instead of "Сезон 1")