UX Fix: Field addition button removed from mobile

lib/screens/envvar/editor_pane/variables_pane.dart

@@ -182,7 +182,7 @@ class EditEnvironmentVariablesState
             color: Theme.of(context).colorScheme.surface,
             borderRadius: kBorderRadius12,
           ),
-          margin: kP10,
+          margin: kPh10t10,
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.stretch,
             children: [
@@ -203,10 +203,11 @@ class EditEnvironmentVariablesState
                   ),
                 ),
               ),
-              kVSpacer40,
+              if (!kIsMobile) kVSpacer40,
             ],
           ),
         ),
+        if (!kIsMobile)
           Align(
             alignment: Alignment.bottomCenter,
             child: Padding(

lib/screens/home_page/editor_pane/details_card/request_pane/request_form_data.dart

@@ -185,7 +185,7 @@ class _FormDataBodyState extends ConsumerState<FormDataWidget> {
     return Stack(
       children: [
         Container(
-          margin: kP10,
+          margin: kPh10t10,
           child: Column(
             children: [
               Expanded(
@@ -205,10 +205,11 @@ class _FormDataBodyState extends ConsumerState<FormDataWidget> {
                   ),
                 ),
               ),
-              kVSpacer40,
+              if (!kIsMobile) kVSpacer40,
             ],
           ),
         ),
+        if (!kIsMobile)
           Align(
             alignment: Alignment.bottomCenter,
             child: Padding(

lib/screens/home_page/editor_pane/details_card/request_pane/request_headers.dart

@@ -178,7 +178,7 @@ class EditRequestHeadersState extends ConsumerState<EditRequestHeaders> {
     return Stack(
       children: [
         Container(
-          margin: kP10,
+          margin: kPh10t10,
           child: Column(
             children: [
               Expanded(
@@ -198,10 +198,11 @@ class EditRequestHeadersState extends ConsumerState<EditRequestHeaders> {
                   ),
                 ),
               ),
-              kVSpacer40,
+              if (!kIsMobile) kVSpacer40,
             ],
           ),
         ),
+        if (!kIsMobile)
           Align(
             alignment: Alignment.bottomCenter,
             child: Padding(

lib/screens/home_page/editor_pane/details_card/request_pane/request_params.dart

@@ -178,7 +178,7 @@ class EditRequestURLParamsState extends ConsumerState<EditRequestURLParams> {
     return Stack(
       children: [
         Container(
-          margin: kP10,
+          margin: kPh10t10,
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.stretch,
             children: [
@@ -199,10 +199,11 @@ class EditRequestURLParamsState extends ConsumerState<EditRequestURLParams> {
                   ),
                 ),
               ),
-              kVSpacer40,
+              if (!kIsMobile) kVSpacer40,
             ],
           ),
         ),
+        if (!kIsMobile)
           Align(
             alignment: Alignment.bottomCenter,
             child: Padding(