feat: Lyra screens (#732)

## Summary

Implements Lyra theme for some more Crosspoint screens:

![IMG_7960
Medium](https://github.com/user-attachments/assets/5d97d91d-e5eb-4296-bbf4-917e142d9095)
![IMG_7961
Medium](https://github.com/user-attachments/assets/02d61964-2632-45ff-83c7-48b95882eb9c)
![IMG_7962
Medium](https://github.com/user-attachments/assets/cf42d20f-3a85-4669-b497-1cac4653fa5a)
![IMG_7963
Medium](https://github.com/user-attachments/assets/a8f59c37-db70-407c-a06d-3e40613a0f55)
![IMG_7964
Medium](https://github.com/user-attachments/assets/0fdaac72-077a-48f6-a8c5-1cd806a58937)
![IMG_7965
Medium](https://github.com/user-attachments/assets/5169f037-8ba8-4488-9a8a-06f5146ec1d9)


## Additional Context

- A bit of refactoring for list scrolling logic

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**NO**_

---------

Co-authored-by: Dave Allie <dave@daveallie.com>

src/activities/util/KeyboardEntryActivity.h

@@ -31,20 +31,18 @@ class KeyboardEntryActivity : public Activity {
    * @param mappedInput Reference to MappedInputManager for handling input
    * @param title Title to display above the keyboard
    * @param initialText Initial text to show in the input field
-   * @param startY Y position to start rendering the keyboard
    * @param maxLength Maximum length of input text (0 for unlimited)
    * @param isPassword If true, display asterisks instead of actual characters
    * @param onComplete Callback invoked when input is complete
    * @param onCancel Callback invoked when input is cancelled
    */
   explicit KeyboardEntryActivity(GfxRenderer& renderer, MappedInputManager& mappedInput,
-                                 std::string title = "Enter Text", std::string initialText = "", const int startY = 10,
+                                 std::string title = "Enter Text", std::string initialText = "",
                                  const size_t maxLength = 0, const bool isPassword = false,
                                  OnCompleteCallback onComplete = nullptr, OnCancelCallback onCancel = nullptr)
       : Activity("KeyboardEntry", renderer, mappedInput),
         title(std::move(title)),
         text(std::move(initialText)),
-        startY(startY),
         maxLength(maxLength),
         isPassword(isPassword),
         onComplete(std::move(onComplete)),
@@ -58,7 +56,6 @@ class KeyboardEntryActivity : public Activity {
 
  private:
   std::string title;
-  int startY;
   std::string text;
   size_t maxLength;
   bool isPassword;
@@ -91,5 +88,4 @@ class KeyboardEntryActivity : public Activity {
   char getSelectedChar() const;
   void handleKeyPress();
   int getRowLength(int row) const;
-  void renderItemWithSelector(int x, int y, const char* item, bool isSelected) const;
 };