renamed setting, cleanup

tabby-settings/src/components/windowSettingsTab.component.pug

@@ -66,18 +66,6 @@ h3.mb-3(translate) Window
         step='0.01'
     )
 
-.form-line()
-     .header
-         .title(translate) Pane Resize Increment
-     input(
-         type='range',
-         [(ngModel)]='config.store.appearance.paneResize',
-         (ngModelChange)='saveConfiguration();',
-         min='0.1',
-         max='0.9',
-         step='0.05'
-     )
-
 .form-line(*ngIf='platform.supportsWindowControls')
     .header
         .title(translate) Window frame
@@ -316,6 +304,21 @@ h3.mt-4(translate) Tabs
         (ngModelChange)='config.save();',
     )
 
+h3.mt-4(translate) Panes
+
+.form-line()
+    .header
+        .title(translate) Pane resize step
+        .description(translate) For keyboard shortcuts
+    input(
+        type='range',
+        [(ngModel)]='config.store.terminal.paneResizeStep',
+        (ngModelChange)='saveConfiguration();',
+        min='0.1',
+        max='0.9',
+        step='0.05'
+    )
+
 h3.mt-4(translate) Hacks
 
 .form-line