fix: give unique names to duplicate nushell keybindings

Newer nushell warns when multiple keybindings share a name. Several
bindings mapped the same logical action (e.g. move_up) to more than
one key combo under one name; disambiguate each with a key-specific
suffix.

dot_config/nushell/keybindings.nu

@@ -204,7 +204,7 @@ export const bindings = [
     }
 
     {
-        name: move_to_line_start
+        name: move_to_line_start_ctrl_a
         modifier: control
         keycode: char_a
         mode: [emacs, vi_normal, vi_insert]
@@ -225,7 +225,7 @@ export const bindings = [
     }
 
     {
-        name: move_to_line_end_or_take_history_hint
+        name: move_to_line_end_or_take_history_hint_ctrl_e
         modifier: control
         keycode: char_e
         mode: [emacs, vi_normal, vi_insert]
@@ -238,7 +238,7 @@ export const bindings = [
     }
 
     {
-        name: move_to_line_start
+        name: move_to_line_start_ctrl_home
         modifier: control
         keycode: home
         mode: [emacs, vi_normal, vi_insert]
@@ -254,7 +254,7 @@ export const bindings = [
     }
 
     {
-        name: move_down
+        name: move_down_ctrl_n
         modifier: control
         keycode: char_n
         mode: [emacs, vi_normal, vi_insert]
@@ -267,7 +267,7 @@ export const bindings = [
     }
 
     {
-        name: move_up
+        name: move_up_ctrl_p
         modifier: control
         keycode: char_p
         mode: [emacs, vi_normal, vi_insert]
@@ -304,7 +304,7 @@ export const bindings = [
     }
 
     {
-        name: delete_one_character_forward
+        name: delete_one_character_forward_ctrl_delete
         modifier: control
         keycode: delete
         mode: [emacs, vi_insert]
@@ -312,7 +312,7 @@ export const bindings = [
     }
 
     {
-        name: delete_one_character_backward
+        name: delete_one_character_backward_ctrl_h
         modifier: control
         keycode: char_h
         mode: [emacs, vi_insert]
@@ -320,7 +320,7 @@ export const bindings = [
     }
 
     {
-        name: delete_one_word_backward
+        name: delete_one_word_backward_ctrl_w
         modifier: control
         keycode: char_w
         mode: [emacs, vi_insert]
@@ -328,7 +328,7 @@ export const bindings = [
     }
 
     {
-        name: move_left
+        name: move_left_vi_normal_backspace
         modifier: none
         keycode: backspace
         mode: vi_normal
@@ -344,7 +344,7 @@ export const bindings = [
     }
 
     {
-        name: move_left
+        name: move_left_ctrl_b
         modifier: control
         keycode: char_b
         mode: emacs
@@ -357,7 +357,7 @@ export const bindings = [
     }
 
     {
-        name: move_right_or_take_history_hint
+        name: move_right_or_take_history_hint_ctrl_f
         modifier: control
         keycode: char_f
         mode: emacs
@@ -427,7 +427,7 @@ export const bindings = [
     }
 
     {
-        name: move_one_word_left
+        name: move_one_word_left_alt_left
         modifier: alt
         keycode: left
         mode: emacs
@@ -435,7 +435,7 @@ export const bindings = [
     }
 
     {
-        name: move_one_word_right_or_take_history_hint
+        name: move_one_word_right_or_take_history_hint_alt_right
         modifier: alt
         keycode: right
         mode: emacs
@@ -448,7 +448,7 @@ export const bindings = [
     }
 
     {
-        name: move_one_word_left
+        name: move_one_word_left_alt_b
         modifier: alt
         keycode: char_b
         mode: emacs
@@ -456,7 +456,7 @@ export const bindings = [
     }
 
     {
-        name: move_one_word_right_or_take_history_hint
+        name: move_one_word_right_or_take_history_hint_alt_f
         modifier: alt
         keycode: char_f
         mode: emacs
@@ -477,7 +477,7 @@ export const bindings = [
     }
 
     {
-        name: delete_one_word_backward
+        name: delete_one_word_backward_alt_backspace
         modifier: alt
         keycode: backspace
         mode: emacs
@@ -485,7 +485,7 @@ export const bindings = [
     }
 
     {
-        name: delete_one_word_backward
+        name: delete_one_word_backward_alt_m
         modifier: alt
         keycode: char_m
         mode: emacs