User reports the Robot Wizard “Add Colliders” button does not show in the window. This likely blocks or slows collider generation during robot import/setup.

Robot Wizard Add Colliders Buutton ont show in the window

### Description

Re-directed from #290 , CC @vick-yu 

As the **Content Browser** is planned to replace the Asset Browser in the upcoming Isaac Sim 6 version, there are several UX issues related to the Content Browser (compared to the features of the Asset Browser in Isaac Sim 5.1.0):
- It's not possible to preview assets via thumbnails.
- Search does not include non-SimReady Isaac assets (it only lists SimReady assets). For example, I was looking for a table in the "Props" section. Filtering for "table", the Isaac Sim Assets extension lists 9 tables, whereas the Content Browser only provides 1 table (PackingTable).
- A global search in the "Isaac Sim" category for an asset cannot be performed. For example, filtering for "table" in the global "Isaac Sim" category, searching among all asset categories, does not work.
- There is no indication showing how many assets are available, neither globally for "Isaac Sim" nor for each category.
- There is no option to drag'n'drop assets just right into the viewport or stage. For me, it remains unclear how to add assets from the Content Browser into the environment.

It would be great to address these issues before the full transition to the Content Browser.

### Isaac Sim version

5.1.0 / 6.0.0 dev2

### Operating System (OS)

Windows 11

### GPU Name

RTX 3080 Ti

### GPU Driver and CUDA versions

GameReady 591.86, CUDA 13.2.1

### Logs

_No response_

### Additional information

_No response_

Isaac Sim Content Browser (planned to replace Asset Browser in Isaac Sim 6) lacks key UX features compared to Asset Browser in 5.1.0: no thumbnail preview, incomplete search (excludes non-SimReady assets), and inability to do some global searches within categories. Users can’t reliably find common assets like tables.

Content Browser UX Issues

A user reports a Tegraparser_v2 problem. No further details are included in the issue body.

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