Update UI based on UX recommendations

Author: harshalsc

src/components/ProblemsTable.scss

@@ -7,6 +7,47 @@
   height: 100%;
   flex: 1;
   min-height: 0;
+
+  [class*='table-header'] [class*='table-cell'] {
+    min-height: 32px;
+    padding-block: 4px;
+  }
+
+  // Hide filter button by default, show on hover
+  [class*='table-header-actions-container'] button,
+  .iui-table-header-actions-container button {
+    &[class*='table-filter-button'],
+    &.iui-table-filter-button {
+      opacity: 0;
+      visibility: hidden;
+      transition: opacity 0.2s ease, visibility 0.2s ease;
+    }
+  }
+
+  // Show filter button when hovering over the header cell
+  [class*='table-header'] [class*='table-cell']:hover,
+  thead th:hover {
+    [class*='table-header-actions-container'] button,
+    .iui-table-header-actions-container button {
+      &[class*='table-filter-button'],
+      &.iui-table-filter-button {
+        opacity: 1;
+        visibility: visible;
+      }
+    }
+  }
+
+  // Keep filter button visible when it's active
+  [class*='table-header-actions-container'] button[data-iui-active='true'],
+  .iui-table-header-actions-container button[data-iui-active='true'],
+  [class*='table-header-actions-container'] button:focus-visible,
+  .iui-table-header-actions-container button:focus-visible {
+    &[class*='table-filter-button'],
+    &.iui-table-filter-button {
+      opacity: 1;
+      visibility: visible;
+    }
+  }
 }
 
 .isr-problems-message {
@@ -53,8 +94,10 @@
     min-width: 360px;
     border-radius: 2px;
     top: -6%;
+
     .tour-Container {
       padding: 12px 12px 12px 12px;
+
       .tour-arrow-left {
         position: absolute;
         background: #fff;
@@ -90,6 +133,7 @@
         border-width: 12px;
         margin-top: -12px;
       }
+
       .tour-Got-It {
         padding: 10px 10px 10px 10px;
         border: none;

src/components/ProblemsTable.tsx

@@ -296,6 +296,38 @@ export const ProblemsTable = ({
   const columns = React.useMemo(
     () =>
       [
+        {
+          id: 'level',
+          accessor: 'level',
+          Header: displayStrings.level,
+          Filter: tableFilters.TextFilter(),
+          minWidth: 50,
+          maxWidth: 170,
+          sortType: sortByLevel,
+          cellRenderer: ({ cellElementProps, cellProps }: CellRendererProps<Report>) => {
+            const level = cellProps.row.original.level;
+            const _isError = level === 'Error' || level === 'Fatal' || level === 'Critical';
+            const _isWarning = level === 'Warning';
+
+            return (
+              <DefaultCell
+                cellElementProps={cellElementProps}
+                cellProps={cellProps}
+                startIcon={
+                  _isError ? (
+                    <StatusIcon status='error' />
+                  ) : _isWarning ? (
+                    <StatusIcon status='warning' />
+                  ) : level ? (
+                    <StatusIcon status='informational' />
+                  ) : undefined
+                }
+              >
+                {level}
+              </DefaultCell>
+            );
+          },
+        },
         {
           id: 'issueid',
           accessor: 'issueid',
@@ -333,38 +365,6 @@ export const ProblemsTable = ({
             return <div>{row.value}</div>;
           },
         },
-        {
-          id: 'level',
-          accessor: 'level',
-          Header: displayStrings.level,
-          Filter: tableFilters.TextFilter(),
-          minWidth: 50,
-          maxWidth: 170,
-          sortType: sortByLevel,
-          cellRenderer: ({ cellElementProps, cellProps }: CellRendererProps<Report>) => {
-            const level = cellProps.row.original.level;
-            const _isError = level === 'Error' || level === 'Fatal' || level === 'Critical';
-            const _isWarning = level === 'Warning';
-
-            return (
-              <DefaultCell
-                cellElementProps={cellElementProps}
-                cellProps={cellProps}
-                startIcon={
-                  _isError ? (
-                    <StatusIcon status='error' />
-                  ) : _isWarning ? (
-                    <StatusIcon status='warning' />
-                  ) : level ? (
-                    <StatusIcon status='informational' />
-                  ) : undefined
-                }
-              >
-                {level}
-              </DefaultCell>
-            );
-          },
-        },
         {
           id: 'fileName',
           accessor: ({ fileName, fileId }: Partial<Report>) => fileName ?? getFileNameFromId(fileId),
@@ -519,6 +519,7 @@ export const ProblemsTable = ({
       <Table
         onRowClick={onRowClick}
         selectRowOnClick
+        density='condensed'
         className={classnames('isr-problems-table', className)}
         columns={reorderColumn(columns) as Column<Record<string, any>>[]}
         data={data}