Some people kinda like boob windows? I mean it's a fantasy stereotype and all, yes, but these things are also reflected in real life occasionally. (I don't like windows because I hate high necklines, but I wear a lot of v-necks and scoops, and occasionally keyhole tops in addition to t-shirts and stuff. As long as there are plenty of options, I don't see the issue. The issues tend to arise when the 'sexy' (usually as judged by straight men) is the only option available. Or armors and outfits are so blatantly and unequally gendered as to be ridiculous. But real people can and do choose similar styles, and even for their characters sometimes. The important word is "choose". 
And it's a mod, so it's totally optional. There are a lot more options now, but that was available early and caught on.
Reminds me of one of the biggest gripes I have with watching Sword Art Online. I know that anime can be ridiculous a lot of the time, but it irked me that while (most of) the guys were in heavy armour, nearly all the women seemed to be wearing pinafores and hoop skirts in a medieval fantasy MMO?
And the way he says it too. "Your face"
Uh, my face? Do I have a smudge or something?
Solas: Your face...
Lavellan: No, your face!
Solas: That came out wrong
Lavellan: That's what she said!
Solas: Ma vhenan, you're being childish!
Lavellan: So's your face!
What happens when Inquisitor Lavellan is half troll.

Also the temple was named Solasan, but whether it had anything to do with our Solas is anyone's guess. The demon in the final room was a pride demon, so it might have nothing to do with Solas.
Edited to add there are no codices, but there was an inscription in the final room; you can read it here: http://dragonage.wik..._Prideful_Place
I have a sneaking suspicious that it probably belonged to Solas. It seems far to convenient that Solas is only able to give us a partial translation of what the text says meaning he's probably omitting something and that Solasan translates to both "A Prideful Place" and "Solas' loveshack place".