Function processCodeBlockAndHeading

processCodeBlockAndHeading(
    parseResult: MarkdownLineEnvironment,
    inCodeBlock: boolean,
    numberingState: AutoNumberingState,
    currentHeadingIndex: number,
    headings: Heading[],
    autoNumberingType: AutoNumberingType,
): CodeAndHeadingLineProcessResult
Process code blocks and headings, also update numberingstate during auto-numbering.

This function handles the common logic for both equation and figure auto-numbering:
- Toggles code block state when code block markers (```) are encountered
- Returns early if currently in a code block
- Processes headings and updates numbering state counters
call it in every loop in auto-number functions after calling parseMarkdownLine function
Parameters
- parseResult: MarkdownLineEnvironment
  The parsed markdown line from parseMarkdownLine function
- inCodeBlock: boolean
  Current code block state
- numberingState: AutoNumberingState
  Current auto-numbering state (will be mutated to update counters)
- currentHeadingIndex: number
  Current heading index
- headings: Heading[]
  Array of all headings in the document
- autoNumberingType: AutoNumberingType
  Type of auto-numbering (Absolute or Relative)
Returns CodeAndHeadingLineProcessResult
Object containing: shouldContinue (skip to next line), updated inCodeBlock state, and updated currentHeadingIndex
- Defined in src/utils/core/auto_number_core.tsx:178