feat: add different markers for nested unordered list

[eszlamczyk]

What/Why?

Introduces different markers for nested unordered list. This change is to mimic behaviour on web

Testing

type any nested (unordered) list inside a playground:
for example

- test1
  - test2
    - test3
      - test4

Screenshots

	iOS	Android
Before
After

PR Checklist

• Code compiles and runs on iOS
• Code compiles and runs on Android
• Updated documentation/README if applicable
• Ran example app to verify changes
• E2E tests are passing
• Required E2E tests have been added (if applicable)

[eszlamczyk]

Unrelated: fix to a flaky maestro setup that sometimes does infinite wait on this step

[eszlamczyk]

unrelated: this removes a lot of build warnings

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