InputText: fixed pressing End (without Shift) in a multi-line selection from mistakenly moving cursor based on selection start.

docs/CHANGELOG.txt

@@ -69,6 +69,8 @@ Other Changes:
 - InputText: revert a change in 1.79 where pressing Down or PageDown on the last line
   of a multi-line buffer without a trailing carriage return would keep the cursor
   unmoved. We revert back to move to the end of line in this situation.
+- InputText: fixed pressing End (without Shift) in a multi-line selection from
+  mistakenly moving cursor based on selection start.
 - Focus, InputText: fixed an issue where SetKeyboardFocusHere() did not work
   on InputTextMultiline() fields with ImGuiInputTextFlags_AllowTabInput, since
   they normally inhibit activation to allow tabbing through multiple items. (#8928)

imstb_textedit.h

@@ -1154,7 +1154,7 @@ retry:
 #endif
       case STB_TEXTEDIT_K_LINEEND: {
          stb_textedit_clamp(str, state);
-         stb_textedit_move_to_first(state);
+         stb_textedit_move_to_last(str, state);
          state->cursor = STB_TEXTEDIT_MOVELINEEND(str, state, state->cursor);
          state->has_preferred_x = 0;
          break;