Initialize PageFlowUtil url matchers only when needed

[labkey-tchad]

Rationale

Issue 53385: Selecting millions of data region rows can cause OutOfMemoryError

Creating unnecessary regex matchers for each rowId in a data region probably didn't cause the OOM error but it certainly doesn't help.

java.lang.OutOfMemoryError: Java heap space
    at java.base/java.util.regex.Pattern.matcher(Pattern.java:1134) ~[?:?]
    at org.labkey.api.util.PageFlowUtil.filter(PageFlowUtil.java:224) ~[api-25.3.11.jar:?]
    at org.labkey.api.util.PageFlowUtil.filter(PageFlowUtil.java:212) ~[api-25.3.11.jar:?]
    at org.labkey.api.util.PageFlowUtil.filter(PageFlowUtil.java:330) ~[api-25.3.11.jar:?]
    at org.labkey.api.data.DataRegion.getRecordSelectorValue(DataRegion.java:1832) ~[api-25.3.11.jar:?]
    at org.labkey.api.data.DataRegionSelection.createSelectionList(DataRegionSelection.java:512) ~[api-25.3.11.jar:?]
    at org.labkey.api.data.DataRegionSelection.setSelectionForAll(DataRegionSelection.java:444) ~[api-25.3.11.jar:?]
    at org.labkey.api.query.QueryView.selectAll(QueryView.java:3000) ~[api-25.3.11.jar:?]

Related Pull Requests

• Update invalid date error msg in tests #6349

Changes

• Initialize url pattern matcher only when needed