fix: optimize block template description

[katherinehhh]

Description

Motivation

优化使用区块模板时的显示

没有安装多数据源时： 表名 ； 引用模板： 模板名
安装了多数据源时：数据源 > 表名 ； 引用模板：模板名

Key changes

• Frontend
• Backend

Test plan

Suggestions

Underlying risk

Showcase

[height]

This pull request has been linked to 1 task:

• T-4620 区块模板的说明需要简化，现在有些信息有点多余，而且格式和以前不一样了 (unlink task)

💡Tip: Add "Close T-4620" to the pull request title or description, to a commit message, or in a comment to mark this task as "Done" when the pull request is merged.

[github-actions]

Tests results for "E2E"

8 flaky

⚠️ [chromium] › core/client/src/modules/variable/__e2e__/basic.test.ts:14:7 › variables › linkage rules of table view action
⚠️ [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-action-bulk-update/src/client/__e2e__/schemaInitailizer.test.ts:14:7 › TableActionInitializers & GanttActionInitializers & MapActionInitializers › TableActionInitializers should add bulk update
⚠️ [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] › 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] › plugins/@nocobase/plugin-action-bulk-edit/src/client/__e2e__/schemaSettings.test.ts:14:7 › bulk edit action setting › data will be updated && edit form configure

987 passed, 30 skipped
✔️✔️✔️

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