[Bug] Fast typing can drop characters, or not output the expect char

Describe the Bug

Keyboard configuration available here

• Fast typing issue: fast roll 'h','i' returns 'i' instead of 'hi'. The 'H' key is not triggered at all.
• Fast typing issue: fast 'i' + ('t'+'a') returns 'f' instead of '['. A fast 'i'+'t' will return a symbol from layer1 as expected. However when a combo is involved, it returns the combo from layer0.
• Fast typing issue: fast 'i'+'t' will sometimes return '#' as expected, but may sometimes return '3'.

Keyboard Used

No response

Link to product page (if applicable)

https://shop.beekeeb.com/product/pre-soldered-hillside-keyboard/

Operating System

Linux (Fedora 37)

qmk doctor Output

Ψ QMK Doctor is checking your environment.
Ψ CLI version: 1.1.1
Ψ QMK home: /workspaces/firmware
Ψ Detected Linux (Fedora Linux 37 (Container Image)).
Ψ Git branch: master
Ψ Repo version: 0.20.3
⚠ Git has unstashed/uncommitted changes.
Ψ - Latest master: 2023-03-31 08:41:11 +1100 (c3c401f91d) -- [QP] Fix up delta frame boundaries (#20296)
Ψ - Latest upstream/master: 2023-04-02 03:57:54 -0500 (be9f6e679b) -- [Keymap] update arkag keymap, add hitbox layout (#20271)
Ψ - Latest upstream/develop: None
Ψ - Common ancestor with upstream/master: 2023-03-31 08:41:11 +1100 (c3c401f91d) -- [QP] Fix up delta frame boundaries (#20296)
Ψ - Common ancestor with upstream/develop: None
Ψ All dependencies are installed.
Ψ Found arm-none-eabi-gcc version 12.2.0
Ψ Found avr-gcc version 12.1.0
⚠ We do not recommend avr-gcc newer than 8. Downgrading to 8.x is recommended.
Ψ Found avrdude version 6.4
Ψ Found dfu-programmer version 0.7.2
Ψ Found dfu-util version 0.11
Ψ Submodules are up to date.
Ψ Submodule status:
Ψ - lib/chibios: 2023-01-03 19:29:26 +0000 --  (0062927e3)
Ψ - lib/chibios-contrib: 2023-01-11 16:42:27 +0100 --  (a224be15)
Ψ - lib/googletest: 2021-06-11 06:37:43 -0700 --  (e2239ee6)
Ψ - lib/lufa: 2022-08-26 12:09:55 +1000 --  (549b97320)
Ψ - lib/vusb: 2022-06-13 09:18:17 +1000 --  (819dbc1)
Ψ - lib/printf: 2022-06-29 23:59:58 +0300 --  (c2e3b4e)
Ψ - lib/pico-sdk: 2023-02-12 20:19:37 +0100 --  (a3398d8)
Ψ - lib/lvgl: 2022-04-11 04:44:53 -0600 --  (e19410f8)
Ψ QMK is ready to go, but minor problems were found

Is AutoHotKey / Karabiner installed

• AutoHotKey (Windows)
• Karabiner (macOS)

Other keyboard-related software installed

None

Additional Context

Board: Hillside46 MCU: Sea-picro controller (RP2040).