Reproduction scenario:

1. Go to a kanban
2. Type the character ( in the filter

Trace:

Uncaught SyntaxError: unterminated parenthetical
    InPropertiesFilter in-properties-filter.js:22
    InPropertiesFilter in-properties-filter.js:21
    filterItems kanban-column-service.js:201
    filterBacklogCards app-kanban-controller.js:230
    filterCards app-kanban-controller.js:214
    initFilter app-kanban-controller.js:178
    dispatch tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    handle tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    add tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    Un tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    each tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    each tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    Un tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    on tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    initFilter app-kanban-controller.js:176
    init app-kanban-controller.js:136
    Angular 14
    fe tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    ct tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    setTimeout handler*677/</Deferred/then/M/< tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    E tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    fireWith tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    fire tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    E tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    fireWith tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    ready tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    ft tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    677 tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    677 tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    677 tlp-8bc40e5e22d379219872.tlp-en_US.js:1
    Tt tlp-8bc40e5e22d379219872.tlp-en_US.js:4
    <anonymous> tlp-8bc40e5e22d379219872.tlp-en_US.js:8
    <anonymous> tlp-8bc40e5e22d379219872.tlp-en_US.js:12
    <anonymous> tlp-8bc40e5e22d379219872.tlp-en_US.js:12
in-properties-filter.js:22

Note: while this can be exploited to do a DoS it can only be triggered by the user itself, is contained to the browser tab and does not impact the integrity or confidentiality of the information.