- Define internal map variable globally instead of inside of functions

Signed-off-by: Ncui fliter <imcusg@gmail.com>

- Return error if get an invalid row height value
- Update unit tests and update documentation of the SetRowHeigth function

Recalculate and use the same shared string count and unique count to overwrite incorrect existing values

Co-authored-by: Njintian.wang <jintian.wang@mihoyo.com>

- Fix panic on read workbook with internal row element without r attribute
- Check worksheet XML before get all cell value by column or row
- Update the unit tests

- New conditional formatting types: text, blanks, no blanks, errors, and no errors
- Support calculate formula with multiple dash arithmetic symbol
- Fix empty calculate result with numeric arguments in LEN, LOWER, PROPER, REPT, UPPER, and IF formula functions
- Uniform double quote in calculation unit tests
- Update unit tests

Return error for unsupported conditional formatting rule types

- Add export ChartLineType enumeration to specify the chart line type
- Add new Border field in the Chart type to set the chart area border
- Add new Type field in the ChartLine type to set the line type
- Fix some format missing on get style definition
- Update the unit tests

This improves compatibility for adjusting tables and formula references on inserting/deleting columns or rows

- Update the unit tests

- Support adjust formula on inserting/deleting columns/rows

- Improve compatibility with the viewer which doesn't support default theme part namespace
- ref #1690, support read background color style, and conditional format with default pattern type
- Update the unit tests

- Support get the conditional format style definition
- Update the unit test

- Introduce new exported function GetPictureCells
- Upgrade dependencies module golang.org/x/net from 0.16.0 to 0.17.0
- Update unit tests

- Using sync map internally to get cell value concurrency safe
- Support set the height and width for the comment box
- Update the unit test

- Fix delete incorrect image files when picture deleting pictures
- Update the unit test and dependencies modules

- Delete image files from the workbook internally when deleting pictures to reduce generated workbook size and resolve potential security issues

- Fix incorrect formula calculation result
- Introduce new exported function `SetCellUint`
- Updates unit test
- Typo fixed

- Move worksheet-related functions in one place

- Support adding pivot table by specific table name
- Update unit tests