fix: fix sidebar scrolling and adaptation for mobile

- fix text overload in heading
- fix appearance for sidebar with a short main content
- fix transformation of search and filter button on mobile
- fix extra empty space below main content table
- fix adaptation modal content to mobile view

src/components/GradebookHeader/__snapshots__/index.test.jsx.snap

@@ -21,7 +21,9 @@ exports[`GradebookHeader component render default view shapshot 1`] = `
   <div
     className="subtitle-row d-flex justify-content-between align-items-center"
   >
-    <h2>
+    <h2
+      className="text-break"
+    >
       test-course-id
     </h2>
   </div>
@@ -49,7 +51,9 @@ exports[`GradebookHeader component render frozen grades snapshot: show frozen wa
   <div
     className="subtitle-row d-flex justify-content-between align-items-center"
   >
-    <h2>
+    <h2
+      className="text-break"
+    >
       test-course-id
     </h2>
   </div>
@@ -83,7 +87,9 @@ exports[`GradebookHeader component render show bulk management snapshot: show to
   <div
     className="subtitle-row d-flex justify-content-between align-items-center"
   >
-    <h2>
+    <h2
+      className="text-break"
+    >
       test-course-id
     </h2>
     <Button
@@ -117,7 +123,9 @@ exports[`GradebookHeader component render user cannot view gradebook snapshot: s
   <div
     className="subtitle-row d-flex justify-content-between align-items-center"
   >
-    <h2>
+    <h2
+      className="text-break"
+    >
       test-course-id
     </h2>
   </div>

src/components/GradebookHeader/index.jsx

@@ -26,7 +26,7 @@ export const GradebookHeader = () => {
       </a>
       <h1>{formatMessage(messages.gradebook)}</h1>
       <div className="subtitle-row d-flex justify-content-between align-items-center">
-        <h2>{courseId}</h2>
+        <h2 className="text-break">{courseId}</h2>
         {showBulkManagement && (
           <Button variant="tertiary" onClick={handleToggleViewClick}>
             {formatMessage(toggleViewMessage)}

src/components/GradesView/FilterMenuToggle/__snapshots__/index.test.jsx.snap

@@ -7,6 +7,7 @@ exports[`FilterMenuToggle component render snapshot 1`] = `
   onClick={[MockFunction hooks.toggleFilterMenu]}
 >
   <Icon
+    className="mr-1"
     src="FilterAlt"
   />
    

src/components/GradesView/FilterMenuToggle/index.jsx

@@ -21,7 +21,7 @@ export const FilterMenuToggle = () => {
       className="btn-primary align-self-start"
       onClick={toggleFilterMenu}
     >
-      <Icon src={FilterAlt} /> {formatMessage(messages.editFilters)}
+      <Icon src={FilterAlt} className="mr-1" /> {formatMessage(messages.editFilters)}
     </Button>
   );
 };

src/components/GradesView/GradesView.scss

@@ -46,6 +46,7 @@
 }
 .grade-history-header{
     float: left;
+    min-width: 170px;
 }
 
 .grade-history-assignment{
@@ -65,7 +66,7 @@
 .gradebook-container {
     width: 100%;
     overflow-x: auto;
-    height: 600px;
+    max-height: 600px;
     overflow-y: auto;
     position: relative;
 }
@@ -122,3 +123,34 @@ select#ScoreView.form-control {
         border-right-color: $black;
     }
 }
+
+#edit-filters-btn {
+    @include media-breakpoint-down(xs) {
+        width: 100%;
+        margin-bottom: 1rem;
+    }
+}
+
+.search-container {
+    @include media-breakpoint-down(xs) {
+        width: 100%;
+    }
+}
+
+.pgn__modal-body-content .pgn__data-table-layout-wrapper {
+    @include media-breakpoint-down(sm) {
+        clear: both;
+        padding: 1rem 0;
+    }
+}
+
+.page-gradebook {
+    position: relative;
+
+    .sidebar-container {
+        position: relative;
+    }
+    aside.sidebar {
+        overflow: auto;
+    }
+}

src/components/GradesView/SearchControls/__snapshots__/index.test.jsx.snap

@@ -1,7 +1,9 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`SearchControls component render snapshot 1`] = `
-<div>
+<div
+  className="search-container"
+>
   <SearchField
     inputLabel="test-input-label"
     onBlur={[MockFunction hooks.onBlur]}

src/components/GradesView/SearchControls/index.jsx

@@ -18,7 +18,7 @@ export const SearchControls = () => {
   } = useSearchControlsData();
 
   return (
-    <div>
+    <div className="search-container">
       <SearchField
         onSubmit={onSubmit}
         inputLabel={inputLabel}

src/components/GradesView/__snapshots__/index.test.jsx.snap

@@ -10,7 +10,7 @@ exports[`GradesView component render snapshot 1`] = `
     filter-step-heading
   </h3>
   <div
-    className="d-flex justify-content-between"
+    className="d-flex justify-content-between flex-wrap"
   >
     <FilterMenuToggle />
     <SearchControls />

src/components/GradesView/index.jsx

@@ -34,7 +34,7 @@ export const GradesView = ({ updateQueryParams }) => {
         {stepHeadings.filter}
       </h3>
 
-      <div className="d-flex justify-content-between">
+      <div className="d-flex justify-content-between flex-wrap">
         <FilterMenuToggle />
         <SearchControls />
       </div>