[BUG] On the datastream page, an error pops up when the query parameter search's value is empty.

[qinzehua]

What is the bug?
Click on the "Data streams" menu and go to the data stream page to view the error.

Do you have any screenshots?

Do you have any additional context?
I think it is because the value of search is empty.

[qinzehua]

When the value of search is empty, using the query syntax GET _data_stream/** will result in the error.
It is recommended to modify it to GET _data_stream/*.
However, when search is a single character, for example GET _data_stream/*y*, the same error will occur.

[dblock]

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