refactor: apply review suggestions

Co-authored-by: Fredrik Adelöw <freben@gmail.com>
Signed-off-by: Camila Belo <camilaibs@gmail.com>

plugins/scaffolder/src/components/FileBrowser/FileBrowser.tsx

@@ -25,7 +25,7 @@ const useStyles = makeStyles(theme => ({
   root: {
     whiteSpace: 'nowrap',
     overflowY: 'auto',
-    padding: theme.spacing(1.5),
+    padding: theme.spacing(1),
   },
 }));
 

plugins/scaffolder/src/next/TemplateEditorPage/TemplateEditor.tsx

@@ -44,7 +44,6 @@ const useStyles = makeStyles(
     root: {
       height: '100%',
       gridArea: 'pageContent',
-      height: '100%',
       display: 'grid',
       gridTemplateAreas: `
       "toolbar toolbar toolbar"
@@ -78,7 +77,7 @@ const useStyles = makeStyles(
       left: 0,
       right: 0,
       bottom: 0,
-      padding: theme.spacing(1.5),
+      padding: theme.spacing(1),
       overflow: 'auto',
     },
     results: {

plugins/scaffolder/src/next/TemplateEditorPage/TemplateEditorToolbar.tsx

@@ -50,7 +50,7 @@ const useStyles = makeStyles(
     toolbar: {
       display: 'grid',
       justifyItems: 'flex-end',
-      padding: theme.spacing(0, 1.5),
+      padding: theme.spacing(0, 1),
       backgroundColor: theme.palette.background.paper,
     },
   }),

plugins/scaffolder/src/translation.ts

@@ -186,7 +186,7 @@ export const scaffolderTranslationRef = createTranslationRef({
     },
     templateEditorForm: {
       stepper: {
-        emptyText: 'There is no spec parameters in the template to preview.',
+        emptyText: 'There are no spec parameters in the template to preview.',
       },
     },
     templateTypePicker: {