Set sourceId so that changing display name doesn't hide table

[melohagan]

Description

The table was disappearing because it was being filtered out of the list:

$: sortedTables = $tables.list
    .filter(table => table.sourceId === sourceId)
    .sort(alphabetical)

A line of code has been added to make sure the sourceId of the table is saved.

Addresses:

• [BUDI-6992] Table disappears from side bar when changing display name until refresh #10565

[codecov-commenter]

Codecov Report

Merging #10769 (3f0313e) into master (311c9d5) will not change coverage.
The diff coverage is n/a.

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  Files         153      153           
  Lines        5167     5167           
  Branches     1033     1033           
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  Hits         2581     2581           
  Misses       2368     2368           
  Partials      218      218           

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