Fixes#23405
Test Plan:
Steps to import an excel file into document viewer:
1. Import a file using file picker widget in base64 format.
2. Bind filepicker.files[0].data to document viewer data.
Test cases to cover
1. Import an .xls file into document viewer and it should work.
2. Import an .xlsx file into document viewer and it should work
3. Import an .xlsx file, verify it renders fine. Changing the file data
to an .xls file. Verify it renders fine without having the need to use
another document viewer widget
Fixes#23228
Steps to Repro:
1. Dnd Category Slider Widget
2. Toggle JS Mode in options field
3. Enter `[[]]`
4. Observe the crash
Expected behavior : The widget shouldn't crash
## Description
- This PR fixes flaky Bind_tableV2Api_spec
- Corrects the folder structure/names
- Splits IDE/Canvas_Context_Property_Pane_spec.js which is long running
into smaller units
- Increased timeout to reduce flaky tests
#### Type of change
- Script fixes
## Testing
#### How Has This Been Tested?
- [X] Cypress CI runs
## Checklist:
#### QA activity:
- [X] Added `Test Plan Approved` label after Cypress changes were
reviewed
