Fix input size for dependency select (#6913)

public/less/_repository.less

@@ -2244,9 +2244,18 @@ tbody.commit-list {
     cursor: pointer;
 }
 
-@media only screen and (max-width: 768px) {
+#new-dependency-drop-list {
-    .new-dependency-drop-list {
+    &.ui.selection.dropdown {
+        min-width: 0;
+        width:  100%;
+        border-radius: 4px 0 0 4px;
+        border-right: 0;
+        white-space: nowrap;
+    }
+
+    .text {
         width: 100%;
+        overflow: hidden;
     }
 }
 

templates/repo/issue/view_content/sidebar.tmpl

@@ -321,7 +321,7 @@
 						<form method="POST" action="{{$.RepoLink}}/issues/{{.Issue.Index}}/dependency/add" id="addDependencyForm">
 							{{$.CsrfTokenHtml}}
 							<div class="ui fluid action input">
-								<div class="ui search selection dropdown" id="new-dependency-drop-list" data-issue-id="{{.Issue.ID}}" style="min-width: 13.9rem;border-radius: 4px 0 0 4px;border-right: 0;white-space: nowrap;">
+								<div class="ui search selection dropdown" id="new-dependency-drop-list" data-issue-id="{{.Issue.ID}}">
 									<input name="newDependency" type="hidden">
 									<i class="dropdown icon"></i>
 									<input type="text" class="search">