Replace sidebar toggler with a new right aligned button

[BreathingFlesh]

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Commit message

Town6: Replace sidebar toggler with a new right aligned button

TYPE: Feature
LINK: OGC-3054

[linear]

OGC-3054

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
2798	1	2797	17

View the top 1 failed test(s) by shortest run time

tests/onegov/form/test_browser.py::test_formcode_keep_selection[checkbox]

Stack Traces | 3.6s run time

browser = <tests.shared.browser.ExtendedBrowser object at 0x7fb3ce11b110>
input_type = 'checkbox'

    @pytest.mark.parametrize('input_type', ('checkbox', 'radio'))
    def test_formcode_keep_selection(
        browser: ExtendedBrowser,
        input_type: str
    ) -> None:
    
        browser.visit('/formcode-select')
        browser.wait_for_js_variable('initFormcodeSelect')
        browser.execute_script(f"""
            var watcher = document.watcher = formcodeWatcherRegistry.new();
            var el = document.querySelector('#container');
            document.querySelector('textarea').value='A'
    
            initFormcodeSelect(
                el, watcher, 'textarea', '{input_type}', ['text', 'textarea']);
            watcher.update('B = ___');
        """)
    
        assert len(browser.find_by_css('.formcode-select input:checked')) == 0
        browser.execute_script("document.watcher.update('A = ___');")
    
        sleep(0.1)
    
        assert len(browser.find_by_css('.formcode-select input:checked')) == 1
        browser.execute_script("document.watcher.update('C = ___');")
    
        sleep(0.1)
    
>       assert len(browser.find_by_css('.formcode-select input:checked')) == 0
E       AssertionError: assert 1 == 0
E        +  where 1 = len(<tests.shared.browser.PlaywrightElementList object at 0x7fb3ccd1f850>)
E        +    where <tests.shared.browser.PlaywrightElementList object at 0x7fb3ccd1f850> = find_by_css('.formcode-select input:checked')
E        +      where find_by_css = <tests.shared.browser.ExtendedBrowser object at 0x7fb3ce11b110>.find_by_css

.../onegov/form/test_browser.py:192: AssertionError

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