Fix bindargs crash; fix quotes included in selected project

CardsFragment: Perform a deep copy of the bind args as they are modified
Unset the project when the Gerrit instance changes
SearchKeyword: Do not include the quotes or brackets in the keywords
 as these only affect how the query is processed into tokens

Change-Id: I2b70ecfbd33b46d23fbb7187eb06ff2cfa3c5f03