Feature：支持调整表格字号

[zipg]

变更说明

• 在查询结果和表数据的视图选项中新增表格字号调节
• 默认字号保持 13，避免升级后视觉变化
• 统一 Canvas、DOM、转置视图和单元格编辑状态的字号表现

注意

• 该分支基于 zipg:codex/fix-mssql-empty-canvas-new-row 开发，因此 PR diff 会包含该基础分支尚未合入 main 的改动。

验证

• pnpm exec vitest run packages/app-tests/settingsStore.test.ts
• pnpm exec vue-tsc --noEmit --project apps/desktop/tsconfig.json
• pnpm exec oxlint apps/desktop/src/components/layout/ContentArea.vue apps/desktop/src/components/grid/DataGrid.vue apps/desktop/src/stores/settingsStore.ts packages/app-tests/settingsStore.test.ts apps/desktop/src/i18n/locales/zh-CN.ts apps/desktop/src/i18n/locales/en.ts
• pnpm exec oxfmt --check apps/desktop/src/components/layout/ContentArea.vue apps/desktop/src/components/grid/DataGrid.vue apps/desktop/src/stores/settingsStore.ts packages/app-tests/settingsStore.test.ts apps/desktop/src/i18n/locales/zh-CN.ts apps/desktop/src/i18n/locales/en.ts

[zipg]

[t8y2]

Thanks for the contribution! Merged in a458ebd, will be released in the next version.