add contains function for filtering

[keikeicheung]

Add support for a contains operator in the filtering DSL . This is a substring match so applicable only to columns of type string.

Operation will be very similar to starts and ends operators, but will match for substring contents anywhere within column value

e.g. 'instrumentName contains "on"'

would be better if match is case-insensitive

• [ ] change server filtering DSL to recognise contains
• [ ] extend server filtering functionality to apply contains when used
• [ ] change clientside filtering DSL to recognise contains
• [ ] extend UI filters to offer contains for string typed columns
• [ ] ensure AG Grid adaptor correctly maps contains to ag grid filter format

[keikeicheung]

sorry mistakenly closed it - its for "contains"