fix: Action menu | remove blank space after adding a task to tomorrow plan

[CREDO23]

Description

What I did:

• Add a loading icon when adding the task to tomorrow plan
• Remove the blank space on the Action menu after adding the plan to tomorrow plan

Type of Change

• Bug fix
• New feature
• Breaking change
• Documentation update

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

Previous screenshots

Loom

Current screenshots

Loom