Rename passthrough

[rlh1994]

Description

This PR changes the name of the page views passthrough to remove the page part to align with the rest of the package. It also fixes an issue in our tests where we weren't actually testing the view stitching.

What type of PR is this? (check all applicable)

• [ ] 🍕 Feature
• [x] 🐛 Bug Fix
• [ ] 📝 Documentation Update
• [ ] 🎨 Style
• [x] 🧑‍💻 Code Refactor
• [ ] 🔥 Performance Improvements
• [x] ✅ Test
• [ ] 🤖 Build
• [ ] 🔁 CI
• [ ] 📦 Chore (Release)
• [ ] ⏩ Revert

Related Tickets & Documents

Checklist

• [x] 🎉 I have verified that these changes work locally
• [x] 💣 Is your change a breaking change?
• [x] 📖 I have updated the CHANGELOG.md

Added tests?

• [x] 👍 yes
• [ ] 🙅 no, because they aren't needed
• [ ] 🙋 no, because I need help

Added to documentation?

• [ ] 📓 internal package docs (ymls, macros, readme, if applicable)
• [x] 📕 I have raised a Snowplow documentation PR if applicable (Link here if required) > not yet, will do a mega one
• [ ] 🙅 no documentation needed

[optional] Are there any post-deployment tasks we need to perform?

[optional] What gif best describes this PR or how it makes you feel?