Updates pip install flags for consistency and installs the o3de module

cmake/LYPython.cmake

@@ -81,7 +81,7 @@ function(update_pip_requirements requirements_file_path unique_name)
 
     set(ENV{PYTHONNOUSERSITE} 1)
     execute_process(COMMAND 
-        ${LY_PYTHON_CMD} -m pip install --no-deps -r "${requirements_file_path}" --disable-pip-version-check --no-warn-script-location
+        ${LY_PYTHON_CMD} -m pip install -r "${requirements_file_path}" --disable-pip-version-check --no-warn-script-location
         WORKING_DIRECTORY ${Python_BINFOLDER}
         RESULT_VARIABLE PIP_RESULT
         OUTPUT_VARIABLE PIP_OUT 

python/get_python.bat

@@ -25,7 +25,8 @@ call python.cmd --version > NUL
 IF !ERRORLEVEL!==0 (
     echo get_python.bat: Python is already installed:
     call python.cmd --version
-    call "%CMD_DIR%\pip.cmd" install -r "%CMD_DIR%/requirements.txt" --quiet --disable-pip-version-check
+    call "%CMD_DIR%\pip.cmd" install -r "%CMD_DIR%/requirements.txt" --quiet --disable-pip-version-check --no-warn-script-location
+    call "%CMD_DIR%\pip.cmd" install -e "%CMD_DIR%/../scripts/o3de" --quiet --disable-pip-version-check --no-warn-script-location --no-deps
     exit /B 0
 )
 
@@ -65,6 +66,7 @@ if ERRORLEVEL 1 (
 )
 
 echo calling PIP to install requirements...
-call "%CMD_DIR%\pip.cmd" install -r "%CMD_DIR%/requirements.txt" --disable-pip-version-check
+call "%CMD_DIR%\pip.cmd" install -r "%CMD_DIR%/requirements.txt" --disable-pip-version-check --no-warn-script-location
+call "%CMD_DIR%\pip.cmd" install -e "%CMD_DIR%/../scripts/o3de" --disable-pip-version-check --no-warn-script-location --no-deps
 exit /B %ERRORLEVEL%