Fix episode parsing

[Bond-009]

Issues
Fixes #2171

[SenorSmartyPants]

Please add a season number test with the same Daily show filename. Currently JF ids that episode as 1x25 and not the correct 25x22.

[SenorSmartyPants]

jellyfin/Emby.Naming/Common/NamingOptions.cs

Lines 317 to 325 in 620047a

	new EpisodeExpression(@".*(\\|\/)(?<seriesname>((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d+))[^\\\/]*$")
	{
	IsNamed = true
	},
	new EpisodeExpression(@".*(\\|\/)(?<seriesname>[^\\\/]*)[sS](?<seasonnumber>\d{1,4})[xX\.]?[eE](?<epnumber>\d+)[^\\\/]*$")
	{
	IsNamed = true
	},

These expressions look like the correct ones to fix the tests. They are KODI naming standard.
https://kodi.wiki/view/Naming_video_files/TV_shows
I think maybe they just need to be moved before the EpisodeExpression that is currently matching these test cases.

Maybe just the first expression I linked will match the specific test cases you've added.

[Bond-009]

We moved that expression before the Kodi expressions because of false positives.

[Artiume]

Not sure if we should modify it further but I do receive false positives when the name is within the name of another movie. Thomas and Friends: The Great Race was matched as The Making of Thomas and Friends: The Great Race

This is under the current regex, not this proposed regex.

[JustAMan]

Mostly LGTM, but I'd like to see others' questions resolved before stamping a green mark.

[Bond-009]

@Artiume Create an issue with the full filename