fix: PouchStorageTable using incorrect $ne operator

[AkshatJawne]

Resolves #1505

Changes:

• Modified PouchFilter type to use $ne instead of $neq
• Modified $regex prop to be able to accept RegExp and string, rather than just string by default

Steps Moving Forward:

• Code change is implemented, having difficulty with imports when trying to run Unit Tests (did not commit the file yet)

Update: Apparently, there are some issues with PouchDB and jest tests, since it has not been updated to an ES6 module. (https://stackoverflow.com/questions/64905287/import-error-when-running-jest-tests-that-use-the-pouchdb-asyncstorage-adapter). Could create a babel.config.js, but not sure if we want to do that just for a function that is never used beyond an internal scope. Thus, going to omit unit tests for now.

[dsmmcken]

Re-ran your failed e2e and it passed. I think it was just webkit timeouts, we are working to fix that.

[AkshatJawne]

@bmingles Have added the test cases for the regex types, however,a fter adding them I kept getting this error:

Figured that there was an issue with our old regex (but may have never been picked up given the any type), so I modified it. Let me know what you think about this

[bmingles]

LGTM