fix(client): remove duplication of views in views/all_views

[ooliver1]

Summary

Introduced in #843 and discovered in this help thread, the new implementation for retrieving views via the client has duplicated views with multiple components.
This is due to removing the construction of a dictionary internally to make the list unqiue. This PR adds this method back and comments
it to ensure this isn't wrongly removed again.

With the following code, running send_view twice, and all_views once returns 4 views when it should be 2 unique, as seen in the new behaviour below.

class MyView(View):
    @button(label="one")
    async def one(self, button, interaction: Interaction):
        await interaction.response.send_message("one")

    @button(label="two")
    async def two(self, button, interaction: Interaction):
        await interaction.response.send_message("two")

@bot.slash_command()
async def send_view(inter: Interaction):
    await inter.response.send_message("View", view=MyView())

@bot.slash_command()
async def all_views(inter: Interaction):
    views = bot.all_views
    views2 = bot.views(persistent=False)
    await inter.response.send_message(str(views) + "\n" + str(views2))

This is a Code Change

• I have tested my changes.
• I have updated the documentation to reflect the changes.
• I have run task pyright and fixed the relevant issues.