[unbranded Client CodeGen] Support paging for unbranded

[lirenhe]

Clear and concise description of the problem

Based on the current agreement, with @list, @pageItems and @nextLink, we could generate the paging operation similar with Azure style.

The current priority is to solve the problem we are facing for TypeSpec-ToDo to unblock the E2E demo.

actions

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1. paging support for unbranded Azure/autorest.python#2936
   +0
   
2. Unbranded CodeGen should generate paging operation with Azure Style Azure/autorest.java#2992
   +0
3. Unbranded CodeGen should generate paging operation with Azure Style Azure/autorest.csharp#5184
   v3 +1
   

   
4. Unbranded CodeGen should generate paging operation with Azure Style Azure/autorest.typescript#2932
   HRLC non-azure p0 +3
   

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• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[MaryGao]

@lirenhe @lmazuel I'd like to confirm this scope for this issue, is it for todo paging case or the whole typespec paging feature - #705?

[lirenhe]

@lirenhe @lmazuel I'd like to confirm this scope for this issue, is it for todo paging case or the whole typespec paging feature - #705?

Let's first solve the problem from TypeSpec-ToDo to unblock the E2E demo, let me update this issue.