* fix: observer
* refactor(plugin-formula): merge 2 formula field type
* fix(plugin-formula): fix types
* fix(plugin-formula): fix type
* fix(plugin-formula): fix formulajs version
* fix(plugin-formula): change to VariableInput to avoid range error
* test(plugin-formula): add test
* fix(plugin-formula): fix test case
* fix(plugin-formula): fix test case
* fix(plugin-formula): fix test case
* refactor(plugin-formula): move components into plugin
* fix(plugin-formula): fix migration
* fix(plugin-formula): revert legacy component to fix build
* fix(plugin-formula): fix test case
* fix(plugin-formula): fix test case
* fix(plugin-formula): fix read-pretty component
* fix(plugin-formula): fix formula result component
* feat(plugin-formula): add checkbox display X
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Co-authored-by: chenos <chenlinxh@gmail.com>