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	Fix dropdown direction behavior (#23806)
Close #23803 More details in the comment.  
This commit is contained in:
		@@ -177,12 +177,12 @@
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					{{end}}
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					<!-- Sort -->
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					<div class="ui dropdown type jump item">
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					<div class="ui dropdown downward type jump item">
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						<span class="text">
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							{{.locale.Tr "repo.issues.filter_sort"}}
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							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
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						</span>
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						<div class="menu">
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						<div class="left menu">
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							<a class="{{if or (eq .SortType "latest") (not .SortType)}}active {{end}}item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=latest&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&project={{$.ProjectID}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}">{{.locale.Tr "repo.issues.filter_sort.latest"}}</a>
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							<a class="{{if eq .SortType "oldest"}}active {{end}}item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=oldest&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&project={{$.ProjectID}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}">{{.locale.Tr "repo.issues.filter_sort.oldest"}}</a>
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							<a class="{{if eq .SortType "recentupdate"}}active {{end}}item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=recentupdate&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&project={{$.ProjectID}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}">{{.locale.Tr "repo.issues.filter_sort.recentupdate"}}</a>
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@@ -111,8 +111,15 @@ export function initGlobalCommon() {
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    },
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  });
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  // special popup-directions
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  // Special popup-directions, prevent Fomantic from guessing the popup direction.
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  // With default "direction: auto", if the viewport height is small, Fomantic would show the popup upward,
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  //   if the dropdown is at the beginning of the page, then the top part would be clipped by the window view.
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  //   eg: Issue List "Sort" dropdown
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  // But we can not set "direction: downward" for all dropdowns, because there is a bug in dropdown menu positioning when calculating the "left" position,
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  //   which would make some dropdown popups slightly shift out of the right viewport edge in some cases.
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  //   eg: the "Create New Repo" menu on the navbar.
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  $uiDropdowns.filter('.upward').dropdown('setting', 'direction', 'upward');
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  $uiDropdowns.filter('.downward').dropdown('setting', 'direction', 'downward');
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  $('.ui.checkbox').checkbox();
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@@ -9,10 +9,6 @@ export function initGiteaFomantic() {
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  // Disable the behavior of fomantic to toggle the checkbox when you press enter on a checkbox element.
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  $.fn.checkbox.settings.enableEnterKey = false;
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  // Prevent Fomantic from guessing the popup direction.
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  // Otherwise, if the viewport height is small, Fomantic would show the popup upward,
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  // if the dropdown is at the beginning of the page, then the top part would be clipped by the window view, eg: Issue List "Sort" dropdown
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  $.fn.dropdown.settings.direction = 'downward';
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  // By default, use "exact match" for full text search
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  $.fn.dropdown.settings.fullTextSearch = 'exact';
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  // Do not use "cursor: pointer" for dropdown labels
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