MDL-82784 course: Don't try to change a non-existant add section button
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@@ -767,10 +767,12 @@ export default class extends BaseComponent {
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}
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});
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const courseAddSection = this.getElement(this.selectors.COURSEADDSECTION);
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const addSection = courseAddSection.querySelector(this.selectors.ADDSECTION);
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addSection.classList.toggle(this.classes.DISPLAYNONE, locked);
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const noMoreSections = courseAddSection.querySelector(this.selectors.MAXSECTIONSWARNING);
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noMoreSections.classList.toggle(this.classes.DISPLAYNONE, !locked);
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if (courseAddSection) {
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const addSection = courseAddSection.querySelector(this.selectors.ADDSECTION);
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addSection.classList.toggle(this.classes.DISPLAYNONE, locked);
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const noMoreSections = courseAddSection.querySelector(this.selectors.MAXSECTIONSWARNING);
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noMoreSections.classList.toggle(this.classes.DISPLAYNONE, !locked);
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}
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}
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/**
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