[Non-BE][Rend Non-BE][Split Non-BE]Add FIX_BASOP_2469_OBJ_EDIT_TD_REND_GAIN to correct TD renderer gain range

• Related issues: #2468, #2469, ivas-codec-pc/ivas-codec#1524
• Related float MR: ivas-codec-pc/ivas-codec!2564
• Requested reviewers: @lintervo

Reason why this change is needed

• The TD renderer gain is Q30, which does not handle the supported object editing gain range of +12 dB (+3.98).

Description of the change

• Change TD renderer gain to Q29.

Affected operating points

• TD renderer operation, with gain values other than 1.0.