Does this work as you need?
# Meeting notes tags
- Item 1
- Point 1
- To be or not to be, that is the #question
- Point 3
- Item 2
- To think is the #action
- Item 3
- Point 1
- Sub-point a
- To go to the beach is the #decision
- Point 2
## query
```dataview
LIST WITHOUT ID
L.text
WHERE file.name =this.file.name
FLATTEN file.lists as L
WHERE contains(L.tags, "#")
```