fix: adjust the margin of the Add block button in the grid layout

[chenos]

This is a ...

• New feature
• Bug fix
• Others

Motivation

Description

Showcase

Related issues

Changelog

Language	Changelog
🇺🇸 English	Adjust the margin of the Add block button in the grid layout
🇨🇳 Chinese	调整网格布局中 Add block 按钮的边距

Checklists

• All changes have been self-tested and work as expected
• Test cases are updated/provided or not needed
• Doc is updated/provided or not needed
• Component demo is updated/provided or not needed
• Changelog is provided or not needed
• Request a code review if it is necessary

[github-actions]

Tests results for "E2E"

12 flaky

⚠️ [chromium] › plugins/@nocobase/plugin-workflow/src/client/__e2e__/conditionNode/BranchIntoYesAndNoMathEngine.test.ts:147:5 › Collection event Add Data Trigger, determines that the trigger node integer field variable is equal to an unequal constant, fails.
⚠️ [chromium] › core/client/src/modules/blocks/filter-blocks/__e2e__/schemaInitializer.test.ts:14:7 › where filter block can be added › page
⚠️ [chromium] › plugins/@nocobase/plugin-action-print/src/client/__e2e__/schemaInitailizer.test.ts:14:7 › ReadPrettyFormActionInitializers & CalendarFormActionInitializers should add print action › print action in ReadPrettyFormActionInitializers
⚠️ [chromium] › core/client/src/modules/blocks/data-blocks/form/__e2e__/form-create/dragAndDrop.test.ts:12:5 › fields
⚠️ [chromium] › core/client/src/modules/blocks/data-blocks/list/__e2e__/schemaInitializer.test.ts:29:7 › where list block can be added › popup
⚠️ [chromium] › plugins/@nocobase/plugin-action-bulk-edit/src/client/__e2e__/schemaInitailizer.test.ts:14:7 › TableActionInitializers & GanttActionInitializers & MapActionInitializers should add bulk edit action › bulk edit in TableActionInitializers
⚠️ [chromium] › plugins/@nocobase/plugin-auth/src/client/__e2e__/auth.test.ts:21:7 › auth › register
⚠️ [chromium] › plugins/@nocobase/plugin-file-manager/src/client/__e2e__/editLocalStorage.test.ts:15:7 › File manager › edit local storage title
⚠️ [chromium] › core/client/src/modules/blocks/data-blocks/table/__e2e__/schemaSettings1.test.ts:65:9 › table block schema settings › enable drag and drop sorting › enable drag and drop sorting
⚠️ [chromium] › plugins/@nocobase/plugin-acl/src/client/__e2e__/configure.test.ts:13:5 › allows to configure interface
⚠️ [chromium] › plugins/@nocobase/plugin-action-bulk-update/src/client/__e2e__/schemaSettings.test.ts:14:7 › data will be updated && Assign field values && after successful submission › data will be updated && Assign field values && after successful submission
⚠️ [chromium] › pro-plugins/@nocobase/plugin-workflow-approval/src/client/__e2e__/triggerNodeConfig/processConfig/approvalCentreInitiated-DataBlockApproval/withdrawalPermitted.test.ts:177:5 › approval returned

1078 passed, 32 skipped
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